Transportation planning and traffic simulation software for creating cities friendlier to walking, biking, and public transit
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.github/workflows Fix up references to the CLI tools in shell scripts and code. #745 2021-09-17 18:29:23 -07:00
abstio Allow routes to be saved in the bike network tool. #743 2021-09-03 12:23:58 -07:00
abstutil A humble start to showing an alternate, low-stress route. #743 2021-09-27 13:13:11 -07:00
cli Small refactor: {road, lane}.length() 2021-09-26 11:08:44 -07:00
cloud Fix up references to the CLI tools in shell scripts and code. #745 2021-09-17 18:29:23 -07:00
collisions Fix compilation failures and most clippy warnings (#642) 2021-05-14 08:32:56 -07:00
convert_osm Delete 3 old scripts used to mass-import maps. #745 [rebuild] 2021-09-17 18:29:23 -07:00
data Import St Albans for use with the LTN tool 2021-10-02 10:39:27 -07:00
fifteen_min Refactor a button to change maps 2021-09-27 12:16:01 -07:00
game Create a new map-space World abstraction, and change the polygon editor to use it. #763 2021-10-03 14:28:44 -07:00
geom Show comparison stats in the alternate route's tooltip. #743 2021-09-28 09:40:45 -07:00
headless Store Movements per Intersection, instead of constantly calculating them! #746 2021-09-06 14:53:37 -07:00
importer Import St Albans for use with the LTN tool 2021-10-02 10:39:27 -07:00
kml CLI flag to start in the KML viewer for convenience 2021-06-16 11:14:17 -07:00
map_editor Fix some clippy warnings 2021-09-17 18:31:30 -07:00
map_gui Import St Albans for use with the LTN tool 2021-10-02 10:39:27 -07:00
map_model Cache the Dijkstra pathfinder for custom RoutingParams. This dramatically speeds up the bike network routing tool, since it's now restricted to just a few params. #743 2021-09-29 11:38:18 -07:00
osm_viewer Refactor a button to change maps 2021-09-27 12:16:01 -07:00
parking_mapper Refactor a button to change maps 2021-09-27 12:16:01 -07:00
popdat Don't crash in the activity model generators if a map has no borders. This currently happens with Overpass imports. #717 2021-07-25 10:30:06 -07:00
release Delete 3 old scripts used to mass-import maps. #745 [rebuild] 2021-09-17 18:29:23 -07:00
santa A humble start to showing an alternate, low-stress route. #743 2021-09-27 13:13:11 -07:00
sim Add a smaller study area in Tehran. 2021-09-30 14:51:56 -07:00
tests Add a smaller study area in Tehran. 2021-09-30 14:51:56 -07:00
traffic_seitan Lane offset comes for free now 2021-09-05 19:53:10 -07:00
traffic_signal_data Rewrite turn restrictions to handle collapsed roads. Lake Wash Blvd / Madison revealed this problem. 2021-08-03 00:07:49 -07:00
updater Cutover from the S3 bucket in one region to the Cloudfront CDN 2021-09-14 10:55:33 -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 Link to the LTN tool on the web index 2021-09-26 14:02:08 -07:00
widgetry Create a new map-space World abstraction, and change the polygon editor to use it. #763 2021-10-03 14:28:44 -07:00
widgetry_demo Fix Issue #692:settings for metric VS imperial distance units are repsected for distance 2021-09-18 14:06:32 -07:00
.dockerignore Create a Docker image to run the map importer in the almighty cloud. #326 2021-05-06 17:35:58 -07:00
.gitignore Import St Albans for use with the LTN tool 2021-10-02 10:39:27 -07:00
Cargo.lock Create a new map-space World abstraction, and change the polygon editor to use it. #763 2021-10-03 14:28:44 -07:00
Cargo.toml Start a consolidated CLI tool with a few one of the importer crate's tools. #745 2021-09-17 18:29:23 -07:00
import.sh Make the importer itself a library, called from the CLI tool. #745 2021-09-17 18:29:23 -07:00
LICENSE Initial import of A/B Street prototype. 2018-03-13 08:06:03 -07:00
README.md new release 2021-09-26 14:33:24 -07:00
rgrep.sh Download only the cities specified in the UI map updater. 2021-04-19 17:55:42 -07:00

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, and all of the ways to contribute. 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:

See full credits