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Transportation planning and traffic simulation software for creating cities friendlier to walking, biking, and public transit
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Dustin Carlino 918e74ceba Change the Dijkstra's and CH walking pathfinders to use roads, not lanes. #555 
No behavioral change here; this is a trivial transformation. If a
directed road has any walkable lane, then there's exactly 1 of them.  I
verified by manually checking paths and also seeing prebaked results
having zero diff.
2021-04-06 20:16:45 -07:00
.github/workflows Use Rust 1.51 to build. None of the new changes affect the codebase, though. 2021-03-25 09:02:04 -07:00
abstio embed mode and reworked web build system (#592) 2021-04-01 19:31:02 -07:00
abstutil Change some uses of Into<String> to AsRef<str>, to avoid allocations. #253 2021-03-11 11:29:18 -08:00
collisions Upgrade most dependencies 2021-02-03 18:13:06 -08:00
convert_osm Fix elevation imports, broken in b8318917a8. #82 2021-04-05 17:29:28 -07:00
data Change the Dijkstra's and CH walking pathfinders to use roads, not lanes. #555 2021-04-06 20:16:45 -07:00
fifteen_min embed mode and reworked web build system (#592) 2021-04-01 19:31:02 -07:00
game Poundbury once again completes without gridlock! 2021-04-06 17:03:24 -07:00
geom Make Polygon::from_geojson preserve rings. This fixes the WIP elevation contours. #82 2021-03-25 15:15:53 -07:00
headless Rename Map::new to be more clear that it should only be used in non-UI 2021-03-12 06:38:17 -08:00
importer PERF: lower memory requirements for clip_osm (#585) 2021-03-24 18:03:33 -07:00
kml Refactor lots of places that construct paths to the data/input dir, which is always organized by city. This would've made the previous change way easier. #326 2021-02-13 18:30:01 -08:00
map_editor Change road incline calculations to be stored in RawMap. Previously, the 2021-03-23 22:47:52 -07:00
map_gui Refactor: store Direction for a Lane, simplifying Lane->DirectedRoadID. #555 2021-04-06 17:03:24 -07:00
map_model Change the Dijkstra's and CH walking pathfinders to use roads, not lanes. #555 2021-04-06 20:16:45 -07:00
osm_viewer embed mode and reworked web build system (#592) 2021-04-01 19:31:02 -07:00
parking_mapper rename txt.add -> txt.add_line 2021-03-19 17:48:30 -07:00
popdat Tidy up the new UK census gen code. #556 2021-03-05 16:51:02 -08:00
release Start versioning the web apps weekly too 2021-04-04 17:15:38 -07:00
santa Refactor: store Direction for a Lane, simplifying Lane->DirectedRoadID. #555 2021-04-06 17:03:24 -07:00
sim Revert some block-the-box protection from #439 to unbreak lakeslice. 2021-04-06 17:03:24 -07:00
sumo Refactor: store Direction for a Lane, simplifying Lane->DirectedRoadID. #555 2021-04-06 17:03:24 -07:00
tests Change road incline calculations to be stored in RawMap. Previously, the 2021-03-23 22:47:52 -07:00
traffic_seitan Rename Map::new to be more clear that it should only be used in non-UI 2021-03-12 06:38:17 -08:00
traffic_signal_data Grab fresh Seattle OSM to fix the entrance to Broadmoor for #537. Also 2021-03-20 14:26:48 -07:00
updater Use u64 to describe number of bytes in the Manifest, now that we have a massive GeoTIFF in there that breaks wasm's 2^32 usize limit. #586 2021-03-24 21:23:38 -07:00
videos Delete mdbook. It's been split out to https://github.com/a-b-street/docs 2021-01-31 15:44:41 -08:00
web embed mode and reworked web build system (#592) 2021-04-01 19:31:02 -07:00
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Cargo.toml Fix flatgeobuf dependency, which was bringing in native SSL bindings. Closes #519 2021-02-18 10:28:11 -08:00
clippy.sh round of clippy. not fixing everything. 2019-12-11 16:17:15 -08:00
import.sh Attempt to display the Timer progress and logs in separate parts of the screen when running the importer. #262 2021-01-21 19:57:38 -08:00
LICENSE Initial import of A/B Street prototype. 2018-03-13 08:06:03 -07:00
README.md new release 2021-04-04 16:59:01 -07:00
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README.md

A/B Street

Ever been stuck in traffic on a bus, wondering why is there legal street parking instead of a dedicated bus lane? A/B Street is a game exploring how small changes to a city affect the movement of drivers, cyclists, transit users, and pedestrians. It works anywhere in the world, thanks to OpenStreetMap.

Show, don't tell

Alpha release trailer

Find a problem:

exploring_traffic

Make some changes:

editing_map

Measure the effects:

evaluating_impacts

Documentation

Roadmap and contributing

See the roadmap for current work, including ways to help. If you want to bring this to your city or if you're skilled in design, traffic simulation, data visualization, or civic/government outreach, please contact Dustin Carlino at dabreegster@gmail.com. Follow r/abstreet for weekly updates or @CarlinoDustin for occasional videos of recent progress.

Project mission

If you fix some traffic problem while playing A/B Street, my ultimate goal is for your changes to become a real proposal for adjusting Seattle's infrastructure. A/B Street is of course a game, using a simplified approach to traffic modeling, so city governments still have to evaluate proposals using their existing methods. A/B Street is intended as a conversation starter and tool to communicate ideas with interactive visualizations.

Why not leave city planning to professionals? People are local experts on the small slice of the city they interact with daily -- the one left turn lane that always backs up or a certain set of poorly timed walk signals. Laura Adler writes:

"Only with simple, accessible simulation programs can citizens become active generators of their own urban visions, not just passive recipients of options laid out by government officials."

Existing urban planning software is either proprietary or hard to use. A/B Street strives to be highly accessible, by being a fun, engaging game. See here for more guiding principles.

Credits

Core team:

Others:

Data: