diff --git a/game/src/render/intersection.rs b/game/src/render/intersection.rs
index 45c8fbc050..25e75aa29b 100644
--- a/game/src/render/intersection.rs
+++ b/game/src/render/intersection.rs
@@ -194,6 +194,12 @@ pub fn calculate_corners(i: &Intersection, map: &Map, timer: &mut Timer) -> Vec<
                 continue;
             }
 
+            // Special case for dead-ends: just thicken the geometry.
+            if i.roads.len() == 1 {
+                corners.push(turn.geom.make_polygons(LANE_THICKNESS));
+                continue;
+            }
+
             let l1 = map.get_l(turn.id.src);
             let l2 = map.get_l(turn.id.dst);
 
diff --git a/map_model/src/make/turns.rs b/map_model/src/make/turns.rs
index 4508025c6c..b563a13e21 100644
--- a/map_model/src/make/turns.rs
+++ b/map_model/src/make/turns.rs
@@ -307,7 +307,7 @@ fn make_walking_turns(
         if let Some(l1) = get_sidewalk(lanes, roads[idx1].incoming_lanes(i.id)) {
             // Make the crosswalk to the other side
             if let Some(l2) = get_sidewalk(lanes, roads[idx1].outgoing_lanes(i.id)) {
-                if roads.len() != 2 {
+                if roads.len() > 2 {
                     result.extend(make_crosswalks(i.id, l1, l2));
                 }
             }
@@ -366,6 +366,27 @@ fn make_walking_turns(
             result.extend(turns);
         }
     }
+    if roads.len() == 1 {
+        if let Some(l1) = get_sidewalk(lanes, roads[0].incoming_lanes(i.id)) {
+            if let Some(l2) = get_sidewalk(lanes, roads[0].outgoing_lanes(i.id)) {
+                let geom = make_shared_sidewalk_corner(i, l1, l2, timer);
+                result.push(Turn {
+                    id: turn_id(i.id, l1.id, l2.id),
+                    turn_type: TurnType::SharedSidewalkCorner,
+                    other_crosswalk_ids: BTreeSet::new(),
+                    geom: geom.clone(),
+                    lookup_idx: 0,
+                });
+                result.push(Turn {
+                    id: turn_id(i.id, l2.id, l1.id),
+                    turn_type: TurnType::SharedSidewalkCorner,
+                    other_crosswalk_ids: BTreeSet::new(),
+                    geom: geom.reversed(),
+                    lookup_idx: 0,
+                });
+            }
+        }
+    }
 
     result
 }