Transportation planning and traffic simulation software for creating cities friendlier to walking, biking, and public transit
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Dustin Carlino 057ac5d020 Serialize trimmed f64's in the geom crate as i32, since the f64's are
trimmed to 4 decimal places anyway. Do this for Pt2D, Distance,
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Regenerating everything...
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.github/workflows Upgrade to Rust 1.53 2021-06-17 23:04:35 -07:00
abstio Change the CityPicker to merge the list of maps and cities from the local filesystem and the manifest. 2021-06-25 19:37:42 -07:00
abstutil Serialize trimmed f64's in the geom crate as i32, since the f64's are 2021-06-30 06:35:42 -07:00
cloud Rewrite the heuristics for stop signs. Similar to traffic signals, only 2021-05-27 15:37:46 -07:00
collisions Fix compilation failures and most clippy warnings (#642) 2021-05-14 08:32:56 -07:00
convert_osm Better stop sign placement -- degenerate roads shouldn't get them. Not 2021-06-22 17:05:18 -07:00
data Fix nondeterminism in z-ordering for lanes, hopefully removing noise from the screenshot diff test. 2021-06-25 12:29:55 -07:00
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importer Make the timer hierarchy for --regen_all or any city with many maps more easy to understand 2021-06-25 15:29:28 -07:00
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map_editor Mark individual road segments as junctions or not in the RawMap editor. The RawMap can be saved temporarily and converted fully, effectively resulting in a local workflow for quickly trying out geometry edits in OSM without upstreaming anything. 2021-05-18 15:23:28 -07:00
map_gui Change the CityPicker to merge the list of maps and cities from the local filesystem and the manifest. 2021-06-25 19:37:42 -07:00
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santa Upgrade to Rust 1.53 2021-06-17 23:04:35 -07:00
sim Get the Green Lake map to complete without gridlock!!! 2021-06-23 13:56:42 -07:00
sumo Fix some clippy warnings 2021-06-16 16:21:35 -07:00
tests Fix critical dynamic blockage math bug. Stops some crashes in some cases, including the tests -- which run again. Manually verified the turn goldenfile diff in the UI and regenerated prebaked data. #392 2021-06-21 20:37:11 -07:00
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updater Enable the new walking turn algorithm for consolidated intersections 2021-06-24 12:41:38 -07:00
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import.sh Two slight adjustments to speed up the map importer development 2021-06-24 12:13:47 -07:00
LICENSE Initial import of A/B Street prototype. 2018-03-13 08:06:03 -07:00
README.md new release 2021-06-20 20:08:06 -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