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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 64d150690a When building the contraction hierarchies for different vehicle types, 
be more careful with nodes representing uber-turns. Even if that vehicle
type doesn't use an uber-turn, we still need to force the nodes to exist
and match up between input graphs.

Although this really only fixes gb/charleville_mezieres/secteur4, it
potentially affects all maps, because the node map changes. So
regenerate everything...
2021-02-17 14:17:27 -08:00
.github/workflows Upgrade to Rust 1.50. Use the new f64 clamp instead of our own. [rebuild] 2021-02-11 10:32:13 -08:00
abstio 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
abstutil Upgrade to Rust 1.50. Use the new f64 clamp instead of our own. [rebuild] 2021-02-11 10:32:13 -08:00
collisions Upgrade most dependencies 2021-02-03 18:13:06 -08:00
convert_osm 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
data When building the contraction hierarchies for different vehicle types, 2021-02-17 14:17:27 -08:00
fifteen_min update geo related deps. (#508) 2021-02-08 16:34:56 -08:00
game Fix crash in commuter viz layer. The block-finding algorithm was written before pedestrian-only roads. 2021-02-17 12:00:13 -08:00
geom Delete redundant implementations of min and max for geom types. They get it for free by implementing Ord. 2021-02-12 15:22:27 -08:00
headless The grand country split. #326 2021-02-13 15:45:59 -08:00
importer When building the contraction hierarchies for different vehicle types, 2021-02-17 14:17:27 -08:00
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 The grand country split. #326 2021-02-13 15:45:59 -08:00
map_gui Fix an issue with a6dfc95aa9: districts in a city are ordered in a z-order friendly way 2021-02-16 14:52:47 -08:00
map_model When building the contraction hierarchies for different vehicle types, 2021-02-17 14:17:27 -08:00
osm_viewer WebGL 1.0 support, with automatic fallback for Safari/iOS (#504) 2021-02-06 19:04:43 -08:00
parking_mapper Upgrade most dependencies 2021-02-03 18:13:06 -08:00
popdat update geo related deps. (#508) 2021-02-08 16:34:56 -08:00
release Revert "Fix actdev deployment script again -- how did I forget the data/ directory?!" 2021-02-16 14:53:55 -08:00
santa WebGL 1.0 support, with automatic fallback for Safari/iOS (#504) 2021-02-06 19:04:43 -08:00
sim Fix an issue with a6dfc95aa9: districts in a city are ordered in a z-order friendly way 2021-02-16 14:52:47 -08:00
sumo The grand country split. #326 2021-02-13 15:45:59 -08:00
tests The grand country split. #326 2021-02-13 15:45:59 -08:00
traffic_seitan Upgrade most dependencies 2021-02-03 18:13:06 -08:00
traffic_signal_data Fix lakeslice gridlock with a manual signal policy at 23rd/Rainier. 2021-02-13 17:44:34 -08:00
updater The grand country split. #326 2021-02-13 15:45:59 -08:00
videos Delete mdbook. It's been split out to https://github.com/a-b-street/docs 2021-01-31 15:44:41 -08:00
widgetry Remove hotkey buttons entirely, to get closer to Yuwen's button spec. 2021-02-15 13:02:29 -08:00
widgetry_demo Remove hotkey buttons entirely, to get closer to Yuwen's button spec. 2021-02-15 13:02:29 -08:00
.gitignore Import Charleville-Mézières. So many new places from Twitter! 2021-02-15 16:35:24 -08:00
Cargo.lock On the web, modify the current URL as we change maps and scenarios. (#509) 2021-02-12 15:14:09 -08:00
Cargo.toml Fix geozero patch from previous commit 2021-02-08 16:40:25 -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 2021-02-14 14:31:04 -08:00
rgrep.sh Set up a test scenario for lane-changing to reproduce #382. The same 2020-11-11 11:33:47 -08:00
rustfmt.toml tweaking rustfmt options; the long literal string vecs in tutorial look awful 2020-01-21 15:20:02 -08:00

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: