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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 f0de4e4583 Don't use Bezier curves for right/left turns at tiny intersections. They 
wind up looping back on themselves in a nonsensical way, causing
vehicles to visually glitch when moving through.

This was started in 081819d86b, but it
used to gridlock 2 maps. All the recent roundabout fixes seems to have
resolved those! And adjusting offstreet parking for two maps.

But wallingford does regress; plunging forward for now.
2021-03-10 15:58:16 -08:00
.github/workflows Pin to Ubuntu 18.04, because the new 20.04 results in this error on my 2021-03-08 08:30:14 -08:00
abstio Figure out which files are in the us/huge_seattle DataPack more consistently. This'll now work from the proposals screen. 2021-03-10 12:40:55 -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 Treat bicycle=designated on footways the same as bicycle=yes. And update Seattle OSM data again to pick up my fixes from yesterday. #330 2021-02-27 13:01:37 -08:00
data Don't use Bezier curves for right/left turns at tiny intersections. They 2021-03-10 15:58:16 -08:00
fifteen_min Rename {Text,TextSpan}::draw to into_widget, for consistency. #253 2021-03-09 09:59:30 -08:00
game Don't use Bezier curves for right/left turns at tiny intersections. They 2021-03-10 15:58:16 -08:00
geom Consistently count hours for a time. There was some disagreement between 2021-03-10 13:59:38 -08:00
headless Specify trip purpose when importing external scenario data. 2021-02-25 11:00:43 -08:00
importer Don't use Bezier curves for right/left turns at tiny intersections. They 2021-03-10 15:58:16 -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 Rename {Text,TextSpan}::draw to into_widget, for consistency. #253 2021-03-09 09:59:30 -08:00
map_gui Figure out which files are in the us/huge_seattle DataPack more consistently. This'll now work from the proposals screen. 2021-03-10 12:40:55 -08:00
map_model Don't use Bezier curves for right/left turns at tiny intersections. They 2021-03-10 15:58:16 -08:00
osm_viewer Rename {Text,TextSpan}::draw to into_widget, for consistency. #253 2021-03-09 09:59:30 -08:00
parking_mapper Rename {Text,TextSpan}::draw to into_widget, for consistency. #253 2021-03-09 09:59:30 -08:00
popdat Tidy up the new UK census gen code. #556 2021-03-05 16:51:02 -08:00
release Pin to Ubuntu 18.04, because the new 20.04 results in this error on my 2021-03-08 08:30:14 -08:00
santa Rename {Text,TextSpan}::draw to into_widget, for consistency. #253 2021-03-09 09:59:30 -08:00
sim Consistently count hours for a time. There was some disagreement between 2021-03-10 13:59:38 -08:00
sumo The grand country split. #326 2021-02-13 15:45:59 -08:00
tests Refactor a CityName::seattle() 2021-03-03 18:08:06 -08:00
traffic_seitan Upgrade most dependencies 2021-02-03 18:13:06 -08:00
traffic_signal_data Make Poundbury run more smoothly, and prebake sim data for all 2021-03-09 10:45:44 -08:00
updater Figure out which files are in the us/huge_seattle DataPack more consistently. This'll now work from the proposals screen. 2021-03-10 12:40:55 -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 Rename {Text,TextSpan}::draw to into_widget, for consistency. #253 2021-03-09 09:59:30 -08:00
widgetry_demo Rename {Text,TextSpan}::draw to into_widget, for consistency. #253 2021-03-09 09:59:30 -08:00
.gitignore Import halsnead for actdev. It needed a fix to not treat access=private 2021-02-27 14:35:26 -08:00
Cargo.lock Add in normal distributions for trip departure times. #556 2021-03-05 12:24:17 -08:00
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 2021-03-07 17:07:25 -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: