Starter project: Improve traffic signal heuristics about abstreet HOT 4 OPEN

In the absence of specific data about traffic signals in Seattle, perhaps some techniques from a standard manual could be implemented. For example, the "Signal Timing Manual - Second Edition" (http://www.trb.org/Publications/Blurbs/173121.aspx). I've only skimmed this, but Chapters 5-7 appear to have lots of useful data.

from abstreet.

Wouldn't this be resolved by #91 ?

from abstreet.

Partly. Signal configuration seems to be at least two orthogonal problems:

• what movements are allowed concurrently, aka, the number of phases. is there a protected left turn phase for road1->2, or is it an unprotected turn?
• the timing and sequencing of each phase. this can be fixed or actuated, like #91

Both of these bugs kind of conflate these two things. Help needed on both.

from abstreet.

Still relevant, and hopefully a good starter project. We've gotten much better at grouping movements into stages, but we're still always hardcoding the timing to 30s.

from abstreet.