diff --git a/rustdoc/game/app/struct.App.html b/rustdoc/game/app/struct.App.html
index 4e458c9e18..457785242d 100644
--- a/rustdoc/game/app/struct.App.html
+++ b/rustdoc/game/app/struct.App.html
@@ -113,8 +113,8 @@ call this to handle all other events. <a href="#method.other_event">Read more</a
 </div><h4 id="method.draw-11" class="method hidden"><code>fn <a href="#method.draw" class="fnname">draw</a>(&amp;self, g: &amp;mut GfxCtx&lt;'_&gt;, app: &amp;<a class="struct" href="../../game/app/struct.App.html" title="struct game::app::App">App</a>)</code><a class="srclink" href="../../src/game/debug/routes.rs.html#426-437" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Draw</p>
 </div><h4 id="method.draw_baselayer-10" class="method hidden"><code>pub fn <a href="#method.draw_baselayer" class="fnname">draw_baselayer</a>(&amp;self) -&gt; DrawBaselayer</code></h4><div class='docblock hidden'><p>Specifies what to draw before draw()</p>
 </div><h4 id="method.on_destroy-10" class="method hidden"><code>pub fn <a href="#method.on_destroy" class="fnname">on_destroy</a>(&amp;mut self, &amp;mut EventCtx&lt;'_&gt;, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>A)</code></h4><div class='docblock hidden'><p>Before this state is popped or replaced, call this.</p>
-</div></div><h3 id="impl-State%3CApp%3E-11" class="impl"><code class="in-band">impl State&lt;<a class="struct" href="../../game/app/struct.App.html" title="struct game::app::App">App</a>&gt; for <a class="struct" href="../../game/debug/routes/struct.PathCostDebugger.html" title="struct game::debug::routes::PathCostDebugger">PathCostDebugger</a></code><a href="#impl-State%3CApp%3E-11" class="anchor"></a><a class="srclink" href="../../src/game/debug/routes.rs.html#514-549" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.event-11" class="method hidden"><code>fn <a href="#method.event" class="fnname">event</a>(&amp;mut self, ctx: &amp;mut EventCtx&lt;'_&gt;, app: &amp;mut <a class="struct" href="../../game/app/struct.App.html" title="struct game::app::App">App</a>) -&gt; Transition&lt;<a class="struct" href="../../game/app/struct.App.html" title="struct game::app::App">App</a>&gt;</code><a class="srclink" href="../../src/game/debug/routes.rs.html#515-540" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Respond to a UI event, such as input or time passing.</p>
-</div><h4 id="method.draw-12" class="method hidden"><code>fn <a href="#method.draw" class="fnname">draw</a>(&amp;self, g: &amp;mut GfxCtx&lt;'_&gt;, _: &amp;<a class="struct" href="../../game/app/struct.App.html" title="struct game::app::App">App</a>)</code><a class="srclink" href="../../src/game/debug/routes.rs.html#542-548" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Draw</p>
+</div></div><h3 id="impl-State%3CApp%3E-11" class="impl"><code class="in-band">impl State&lt;<a class="struct" href="../../game/app/struct.App.html" title="struct game::app::App">App</a>&gt; for <a class="struct" href="../../game/debug/routes/struct.PathCostDebugger.html" title="struct game::debug::routes::PathCostDebugger">PathCostDebugger</a></code><a href="#impl-State%3CApp%3E-11" class="anchor"></a><a class="srclink" href="../../src/game/debug/routes.rs.html#531-566" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.event-11" class="method hidden"><code>fn <a href="#method.event" class="fnname">event</a>(&amp;mut self, ctx: &amp;mut EventCtx&lt;'_&gt;, app: &amp;mut <a class="struct" href="../../game/app/struct.App.html" title="struct game::app::App">App</a>) -&gt; Transition&lt;<a class="struct" href="../../game/app/struct.App.html" title="struct game::app::App">App</a>&gt;</code><a class="srclink" href="../../src/game/debug/routes.rs.html#532-557" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Respond to a UI event, such as input or time passing.</p>
+</div><h4 id="method.draw-12" class="method hidden"><code>fn <a href="#method.draw" class="fnname">draw</a>(&amp;self, g: &amp;mut GfxCtx&lt;'_&gt;, _: &amp;<a class="struct" href="../../game/app/struct.App.html" title="struct game::app::App">App</a>)</code><a class="srclink" href="../../src/game/debug/routes.rs.html#559-565" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Draw</p>
 </div><h4 id="method.draw_baselayer-11" class="method hidden"><code>pub fn <a href="#method.draw_baselayer" class="fnname">draw_baselayer</a>(&amp;self) -&gt; DrawBaselayer</code></h4><div class='docblock hidden'><p>Specifies what to draw before draw()</p>
 </div><h4 id="method.on_destroy-11" class="method hidden"><code>pub fn <a href="#method.on_destroy" class="fnname">on_destroy</a>(&amp;mut self, &amp;mut EventCtx&lt;'_&gt;, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>A)</code></h4><div class='docblock hidden'><p>Before this state is popped or replaced, call this.</p>
 </div></div><h3 id="impl-State%3CApp%3E-12" class="impl"><code class="in-band">impl State&lt;<a class="struct" href="../../game/app/struct.App.html" title="struct game::app::App">App</a>&gt; for <a class="struct" href="../../game/debug/struct.DebugMode.html" title="struct game::debug::DebugMode">DebugMode</a></code><a href="#impl-State%3CApp%3E-12" class="anchor"></a><a class="srclink" href="../../src/game/debug/mod.rs.html#178-438" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.event-12" class="method hidden"><code>fn <a href="#method.event" class="fnname">event</a>(&amp;mut self, ctx: &amp;mut EventCtx&lt;'_&gt;, app: &amp;mut <a class="struct" href="../../game/app/struct.App.html" title="struct game::app::App">App</a>) -&gt; Transition&lt;<a class="struct" href="../../game/app/struct.App.html" title="struct game::app::App">App</a>&gt;</code><a class="srclink" href="../../src/game/debug/mod.rs.html#179-409" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Respond to a UI event, such as input or time passing.</p>
diff --git a/rustdoc/game/debug/routes/index.html b/rustdoc/game/debug/routes/index.html
index cd8dd35df8..49cdc3aab1 100644
--- a/rustdoc/game/debug/routes/index.html
+++ b/rustdoc/game/debug/routes/index.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `routes` mod in crate `game`."><meta name="keywords" content="rust, rustlang, rust-lang, routes"><title>game::debug::routes - Rust</title><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../light.css"  id="themeStyle"><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled ><script id="default-settings"></script><script src="../../../storage.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../../favicon.svg">
 <link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png">
 <link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../../down-arrow.svg");}</style></head><body class="rustdoc mod"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../../game/index.html'><div class='logo-container rust-logo'><img src='../../../rust-logo.png' alt='logo'></div></a><p class="location">Module routes</p><div class="sidebar-elems"><div class="block items"><ul><li><a href="#structs">Structs</a></li><li><a href="#functions">Functions</a></li></ul></div><p class="location"><a href="../../index.html">game</a>::<wbr><a href="../index.html">debug</a></p><div id="sidebar-vars" data-name="routes" data-ty="mod" data-relpath="../"></div><script defer src="../sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
-                <a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Module <a href="../../index.html">game</a>::<wbr><a href="../index.html">debug</a>::<wbr><a class="mod" href="">routes</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../../src/game/debug/routes.rs.html#1-549" title="goto source code">[src]</a></span></h1><h2 id="structs" class="section-header"><a href="#structs">Structs</a></h2>
+                <a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Module <a href="../../index.html">game</a>::<wbr><a href="../index.html">debug</a>::<wbr><a class="mod" href="">routes</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../../src/game/debug/routes.rs.html#1-566" title="goto source code">[src]</a></span></h1><h2 id="structs" class="section-header"><a href="#structs">Structs</a></h2>
 <table><tr class="module-item"><td><a class="struct" href="struct.AllRoutesExplorer.html" title="game::debug::routes::AllRoutesExplorer struct">AllRoutesExplorer</a></td><td class="docblock-short"><p>See how live-tuned routing parameters affect all requests for the current scenario.</p>
 </td></tr><tr class="module-item"><td><a class="struct" href="struct.PathCostDebugger.html" title="game::debug::routes::PathCostDebugger struct">PathCostDebugger</a></td><td class="docblock-short"><p>Evaluate why an alternative path wasn't chosen, by showing the cost to reach every road from
 one start.</p>
diff --git a/rustdoc/game/debug/routes/struct.PathCostDebugger.html b/rustdoc/game/debug/routes/struct.PathCostDebugger.html
index a64c59123d..303c860c15 100644
--- a/rustdoc/game/debug/routes/struct.PathCostDebugger.html
+++ b/rustdoc/game/debug/routes/struct.PathCostDebugger.html
@@ -9,8 +9,8 @@
 }</pre></div><div class="docblock"><p>Evaluate why an alternative path wasn't chosen, by showing the cost to reach every road from
 one start.</p>
 </div><h2 id="fields" class="fields small-section-header">
-                       Fields<a href="#fields" class="anchor"></a></h2><span id="structfield.draw_path" class="structfield small-section-header"><a href="#structfield.draw_path" class="anchor field"></a><code>draw_path: Drawable</code></span><span id="structfield.costs" class="structfield small-section-header"><a href="#structfield.costs" class="anchor field"></a><code>costs: <a class="struct" href="https://doc.rust-lang.org/nightly/std/collections/hash/map/struct.HashMap.html" title="struct std::collections::hash::map::HashMap">HashMap</a>&lt;<a class="struct" href="../../../map_model/objects/road/struct.RoadID.html" title="struct map_model::objects::road::RoadID">RoadID</a>, <a class="struct" href="../../../geom/duration/struct.Duration.html" title="struct geom::duration::Duration">Duration</a>&gt;</code></span><span id="structfield.tooltip" class="structfield small-section-header"><a href="#structfield.tooltip" class="anchor field"></a><code>tooltip: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Text&gt;</code></span><span id="structfield.panel" class="structfield small-section-header"><a href="#structfield.panel" class="anchor field"></a><code>panel: Panel</code></span><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><h3 id="impl" class="impl"><code class="in-band">impl <a class="struct" href="../../../game/debug/routes/struct.PathCostDebugger.html" title="struct game::debug::routes::PathCostDebugger">PathCostDebugger</a></code><a href="#impl" class="anchor"></a><a class="srclink" href="../../../src/game/debug/routes.rs.html#489-512" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.maybe_new" class="method"><code>pub fn <a href="#method.maybe_new" class="fnname">maybe_new</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;ctx: &amp;mut EventCtx&lt;'_&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;app: &amp;<a class="struct" href="../../../game/app/struct.App.html" title="struct game::app::App">App</a>, <br>&nbsp;&nbsp;&nbsp;&nbsp;req: <a class="struct" href="../../../map_model/pathfind/struct.PathRequest.html" title="struct map_model::pathfind::PathRequest">PathRequest</a>, <br>&nbsp;&nbsp;&nbsp;&nbsp;draw_path: <a class="struct" href="../../../geom/polygon/struct.Polygon.html" title="struct geom::polygon::Polygon">Polygon</a><br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn State&lt;<a class="struct" href="../../../game/app/struct.App.html" title="struct game::app::App">App</a>&gt;&gt;&gt;</code><a class="srclink" href="../../../src/game/debug/routes.rs.html#490-511" title="goto source code">[src]</a></h4></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><h3 id="impl-State%3CApp%3E" class="impl"><code class="in-band">impl State&lt;<a class="struct" href="../../../game/app/struct.App.html" title="struct game::app::App">App</a>&gt; for <a class="struct" href="../../../game/debug/routes/struct.PathCostDebugger.html" title="struct game::debug::routes::PathCostDebugger">PathCostDebugger</a></code><a href="#impl-State%3CApp%3E" class="anchor"></a><a class="srclink" href="../../../src/game/debug/routes.rs.html#514-549" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.event" class="method hidden"><code>fn <a href="#method.event" class="fnname">event</a>(&amp;mut self, ctx: &amp;mut EventCtx&lt;'_&gt;, app: &amp;mut <a class="struct" href="../../../game/app/struct.App.html" title="struct game::app::App">App</a>) -&gt; Transition&lt;<a class="struct" href="../../../game/app/struct.App.html" title="struct game::app::App">App</a>&gt;</code><a class="srclink" href="../../../src/game/debug/routes.rs.html#515-540" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Respond to a UI event, such as input or time passing.</p>
-</div><h4 id="method.draw" class="method hidden"><code>fn <a href="#method.draw" class="fnname">draw</a>(&amp;self, g: &amp;mut GfxCtx&lt;'_&gt;, _: &amp;<a class="struct" href="../../../game/app/struct.App.html" title="struct game::app::App">App</a>)</code><a class="srclink" href="../../../src/game/debug/routes.rs.html#542-548" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Draw</p>
+                       Fields<a href="#fields" class="anchor"></a></h2><span id="structfield.draw_path" class="structfield small-section-header"><a href="#structfield.draw_path" class="anchor field"></a><code>draw_path: Drawable</code></span><span id="structfield.costs" class="structfield small-section-header"><a href="#structfield.costs" class="anchor field"></a><code>costs: <a class="struct" href="https://doc.rust-lang.org/nightly/std/collections/hash/map/struct.HashMap.html" title="struct std::collections::hash::map::HashMap">HashMap</a>&lt;<a class="struct" href="../../../map_model/objects/road/struct.RoadID.html" title="struct map_model::objects::road::RoadID">RoadID</a>, <a class="struct" href="../../../geom/duration/struct.Duration.html" title="struct geom::duration::Duration">Duration</a>&gt;</code></span><span id="structfield.tooltip" class="structfield small-section-header"><a href="#structfield.tooltip" class="anchor field"></a><code>tooltip: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Text&gt;</code></span><span id="structfield.panel" class="structfield small-section-header"><a href="#structfield.panel" class="anchor field"></a><code>panel: Panel</code></span><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><h3 id="impl" class="impl"><code class="in-band">impl <a class="struct" href="../../../game/debug/routes/struct.PathCostDebugger.html" title="struct game::debug::routes::PathCostDebugger">PathCostDebugger</a></code><a href="#impl" class="anchor"></a><a class="srclink" href="../../../src/game/debug/routes.rs.html#489-529" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.maybe_new" class="method"><code>pub fn <a href="#method.maybe_new" class="fnname">maybe_new</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;ctx: &amp;mut EventCtx&lt;'_&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;app: &amp;<a class="struct" href="../../../game/app/struct.App.html" title="struct game::app::App">App</a>, <br>&nbsp;&nbsp;&nbsp;&nbsp;req: <a class="struct" href="../../../map_model/pathfind/struct.PathRequest.html" title="struct map_model::pathfind::PathRequest">PathRequest</a>, <br>&nbsp;&nbsp;&nbsp;&nbsp;draw_path: <a class="struct" href="../../../geom/polygon/struct.Polygon.html" title="struct geom::polygon::Polygon">Polygon</a><br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;dyn State&lt;<a class="struct" href="../../../game/app/struct.App.html" title="struct game::app::App">App</a>&gt;&gt;&gt;</code><a class="srclink" href="../../../src/game/debug/routes.rs.html#490-528" title="goto source code">[src]</a></h4></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><h3 id="impl-State%3CApp%3E" class="impl"><code class="in-band">impl State&lt;<a class="struct" href="../../../game/app/struct.App.html" title="struct game::app::App">App</a>&gt; for <a class="struct" href="../../../game/debug/routes/struct.PathCostDebugger.html" title="struct game::debug::routes::PathCostDebugger">PathCostDebugger</a></code><a href="#impl-State%3CApp%3E" class="anchor"></a><a class="srclink" href="../../../src/game/debug/routes.rs.html#531-566" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.event" class="method hidden"><code>fn <a href="#method.event" class="fnname">event</a>(&amp;mut self, ctx: &amp;mut EventCtx&lt;'_&gt;, app: &amp;mut <a class="struct" href="../../../game/app/struct.App.html" title="struct game::app::App">App</a>) -&gt; Transition&lt;<a class="struct" href="../../../game/app/struct.App.html" title="struct game::app::App">App</a>&gt;</code><a class="srclink" href="../../../src/game/debug/routes.rs.html#532-557" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Respond to a UI event, such as input or time passing.</p>
+</div><h4 id="method.draw" class="method hidden"><code>fn <a href="#method.draw" class="fnname">draw</a>(&amp;self, g: &amp;mut GfxCtx&lt;'_&gt;, _: &amp;<a class="struct" href="../../../game/app/struct.App.html" title="struct game::app::App">App</a>)</code><a class="srclink" href="../../../src/game/debug/routes.rs.html#559-565" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Draw</p>
 </div><h4 id="method.draw_baselayer" class="method hidden"><code>pub fn <a href="#method.draw_baselayer" class="fnname">draw_baselayer</a>(&amp;self) -&gt; DrawBaselayer</code></h4><div class='docblock hidden'><p>Specifies what to draw before draw()</p>
 </div><h4 id="method.on_destroy" class="method hidden"><code>pub fn <a href="#method.on_destroy" class="fnname">on_destroy</a>(&amp;mut self, &amp;mut EventCtx&lt;'_&gt;, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>A)</code></h4><div class='docblock hidden'><p>Before this state is popped or replaced, call this.</p>
 </div></div></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><h3 id="impl-RefUnwindSafe" class="impl"><code class="in-band">impl !<a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="../../../game/debug/routes/struct.PathCostDebugger.html" title="struct game::debug::routes::PathCostDebugger">PathCostDebugger</a></code><a href="#impl-RefUnwindSafe" class="anchor"></a><a class="srclink" href="../../../src/game/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Send" class="impl"><code class="in-band">impl !<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="../../../game/debug/routes/struct.PathCostDebugger.html" title="struct game::debug::routes::PathCostDebugger">PathCostDebugger</a></code><a href="#impl-Send" class="anchor"></a><a class="srclink" href="../../../src/game/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Sync" class="impl"><code class="in-band">impl !<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="../../../game/debug/routes/struct.PathCostDebugger.html" title="struct game::debug::routes::PathCostDebugger">PathCostDebugger</a></code><a href="#impl-Sync" class="anchor"></a><a class="srclink" href="../../../src/game/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Unpin" class="impl"><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="../../../game/debug/routes/struct.PathCostDebugger.html" title="struct game::debug::routes::PathCostDebugger">PathCostDebugger</a></code><a href="#impl-Unpin" class="anchor"></a><a class="srclink" href="../../../src/game/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-UnwindSafe" class="impl"><code class="in-band">impl !<a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a> for <a class="struct" href="../../../game/debug/routes/struct.PathCostDebugger.html" title="struct game::debug::routes::PathCostDebugger">PathCostDebugger</a></code><a href="#impl-UnwindSafe" class="anchor"></a><a class="srclink" href="../../../src/game/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><h3 id="impl-Any" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-Any" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#131-135" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.type_id" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#132" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
diff --git a/rustdoc/game/pregame/built_info/constant.BUILT_TIME_UTC.html b/rustdoc/game/pregame/built_info/constant.BUILT_TIME_UTC.html
index ce92f15f70..2f36311882 100644
--- a/rustdoc/game/pregame/built_info/constant.BUILT_TIME_UTC.html
+++ b/rustdoc/game/pregame/built_info/constant.BUILT_TIME_UTC.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `BUILT_TIME_UTC` constant in crate `game`."><meta name="keywords" content="rust, rustlang, rust-lang, BUILT_TIME_UTC"><title>game::pregame::built_info::BUILT_TIME_UTC - Rust</title><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../light.css"  id="themeStyle"><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled ><script id="default-settings"></script><script src="../../../storage.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../../favicon.svg">
 <link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png">
 <link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../../down-arrow.svg");}</style></head><body class="rustdoc constant"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../../game/index.html'><div class='logo-container rust-logo'><img src='../../../rust-logo.png' alt='logo'></div></a><div class="sidebar-elems"><p class="location"><a href="../../index.html">game</a>::<wbr><a href="../index.html">pregame</a>::<wbr><a href="index.html">built_info</a></p><div id="sidebar-vars" data-name="BUILT_TIME_UTC" data-ty="constant" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
-                <a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Constant <a href="../../index.html">game</a>::<wbr><a href="../index.html">pregame</a>::<wbr><a href="index.html">built_info</a>::<wbr><a class="constant" href="">BUILT_TIME_UTC</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../../src/game/home/runner/work/abstreet/abstreet/target/debug/build/game-e51c0a1cdd4549fe/out/built.rs.html#53" title="goto source code">[src]</a></span></h1><pre class="rust const">pub const BUILT_TIME_UTC: &amp;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a> = &quot;Thu, 25 Mar 2021 22:34:13 +0000&quot;;</pre><div class="docblock"><p>The built-time in RFC2822, UTC</p>
+                <a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Constant <a href="../../index.html">game</a>::<wbr><a href="../index.html">pregame</a>::<wbr><a href="index.html">built_info</a>::<wbr><a class="constant" href="">BUILT_TIME_UTC</a></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../../../src/game/home/runner/work/abstreet/abstreet/target/debug/build/game-e51c0a1cdd4549fe/out/built.rs.html#53" title="goto source code">[src]</a></span></h1><pre class="rust const">pub const BUILT_TIME_UTC: &amp;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a> = &quot;Thu, 25 Mar 2021 22:42:22 +0000&quot;;</pre><div class="docblock"><p>The built-time in RFC2822, UTC</p>
 </div></section><section id="search" class="content hidden"></section><section class="footer"></section><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="game"></div>
     <script src="../../../main.js"></script><script defer src="../../../search-index.js"></script></body></html>
\ No newline at end of file
diff --git a/rustdoc/src/game/debug/routes.rs.html b/rustdoc/src/game/debug/routes.rs.html
index 826adeb6e7..7261ebd5cb 100644
--- a/rustdoc/src/game/debug/routes.rs.html
+++ b/rustdoc/src/game/debug/routes.rs.html
@@ -550,6 +550,23 @@
 <span id="547">547</span>
 <span id="548">548</span>
 <span id="549">549</span>
+<span id="550">550</span>
+<span id="551">551</span>
+<span id="552">552</span>
+<span id="553">553</span>
+<span id="554">554</span>
+<span id="555">555</span>
+<span id="556">556</span>
+<span id="557">557</span>
+<span id="558">558</span>
+<span id="559">559</span>
+<span id="560">560</span>
+<span id="561">561</span>
+<span id="562">562</span>
+<span id="563">563</span>
+<span id="564">564</span>
+<span id="565">565</span>
+<span id="566">566</span>
 </pre><div class="example-wrap"><pre class="rust ">
 <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">collections</span>::<span class="ident">HashMap</span>;
 
@@ -1047,8 +1064,25 @@
         <span class="ident">draw_path</span>: <span class="ident">Polygon</span>,
     ) <span class="op">-</span><span class="op">&gt;</span> <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">Box</span><span class="op">&lt;</span><span class="kw">dyn</span> <span class="ident">State</span><span class="op">&lt;</span><span class="ident">App</span><span class="op">&gt;</span><span class="op">&gt;</span><span class="op">&gt;</span> {
         <span class="kw">let</span> (<span class="ident">full_cost</span>, <span class="ident">all_costs</span>) <span class="op">=</span> <span class="ident">connectivity</span>::<span class="ident">debug_vehicle_costs</span>(<span class="ident">req</span>, <span class="kw-2">&amp;</span><span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>)<span class="question-mark">?</span>;
+        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">batch</span> <span class="op">=</span> <span class="ident">GeomBatch</span>::<span class="ident">new</span>();
+        <span class="comment">// Highlight all roads with a cost less than the cost of the chosen path. This more or less</span>
+        <span class="comment">// shows &quot;alternatives considered&quot;; the boundary becomes the point where the chosen path</span>
+        <span class="comment">// really did win.</span>
+        <span class="kw">for</span> (<span class="ident">r</span>, <span class="ident">cost</span>) <span class="kw">in</span> <span class="kw-2">&amp;</span><span class="ident">all_costs</span> {
+            <span class="kw">if</span> <span class="kw-2">*</span><span class="ident">cost</span> <span class="op">&lt;</span><span class="op">=</span> <span class="ident">full_cost</span> {
+                <span class="ident">batch</span>.<span class="ident">push</span>(
+                    <span class="ident">Color</span>::<span class="ident">BLUE</span>.<span class="ident">alpha</span>(<span class="number">0.5</span>),
+                    <span class="ident">app</span>.<span class="ident">primary</span>
+                        .<span class="ident">map</span>
+                        .<span class="ident">get_r</span>(<span class="kw-2">*</span><span class="ident">r</span>)
+                        .<span class="ident">get_thick_polygon</span>(<span class="kw-2">&amp;</span><span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>),
+                );
+            }
+        }
+        <span class="ident">batch</span>.<span class="ident">push</span>(<span class="ident">Color</span>::<span class="ident">PURPLE</span>, <span class="ident">draw_path</span>);
+
         <span class="prelude-val">Some</span>(<span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">PathCostDebugger</span> {
-            <span class="ident">draw_path</span>: <span class="ident">ctx</span>.<span class="ident">upload</span>(<span class="ident">GeomBatch</span>::<span class="ident">from</span>(<span class="macro">vec</span><span class="macro">!</span>[(<span class="ident">Color</span>::<span class="ident">PURPLE</span>, <span class="ident">draw_path</span>)])),
+            <span class="ident">draw_path</span>: <span class="ident">ctx</span>.<span class="ident">upload</span>(<span class="ident">batch</span>),
             <span class="ident">costs</span>: <span class="ident">all_costs</span>,
             <span class="ident">tooltip</span>: <span class="prelude-val">None</span>,
             <span class="ident">panel</span>: <span class="ident">Panel</span>::<span class="ident">new</span>(<span class="ident">Widget</span>::<span class="ident">col</span>(<span class="macro">vec</span><span class="macro">!</span>[
diff --git a/rustdoc/src/game/home/runner/work/abstreet/abstreet/target/debug/build/game-e51c0a1cdd4549fe/out/built.rs.html b/rustdoc/src/game/home/runner/work/abstreet/abstreet/target/debug/build/game-e51c0a1cdd4549fe/out/built.rs.html
index bc415a7139..159f18921d 100644
--- a/rustdoc/src/game/home/runner/work/abstreet/abstreet/target/debug/build/game-e51c0a1cdd4549fe/out/built.rs.html
+++ b/rustdoc/src/game/home/runner/work/abstreet/abstreet/target/debug/build/game-e51c0a1cdd4549fe/out/built.rs.html
@@ -122,7 +122,7 @@
 <span class="doccomment">/// The output of `rustdoc -V`</span>
 <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">RUSTDOC_VERSION</span>: <span class="kw-2">&amp;</span><span class="ident">str</span> <span class="op">=</span> <span class="string">&quot;rustdoc 1.51.0 (2fd73fabe 2021-03-23)&quot;</span>;
 <span class="doccomment">/// The built-time in RFC2822, UTC</span>
-<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">BUILT_TIME_UTC</span>: <span class="kw-2">&amp;</span><span class="ident">str</span> <span class="op">=</span> <span class="string">&quot;Thu, 25 Mar 2021 22:34:13 +0000&quot;</span>;
+<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">BUILT_TIME_UTC</span>: <span class="kw-2">&amp;</span><span class="ident">str</span> <span class="op">=</span> <span class="string">&quot;Thu, 25 Mar 2021 22:42:22 +0000&quot;</span>;
 <span class="doccomment">/// The target architecture, given by `cfg!(target_arch)`.</span>
 <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">CFG_TARGET_ARCH</span>: <span class="kw-2">&amp;</span><span class="ident">str</span> <span class="op">=</span> <span class="string">&quot;x86_64&quot;</span>;
 <span class="doccomment">/// The endianness, given by `cfg!(target_endian)`.</span>