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More docs (#208)

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* select away ones that are neither implemented nor requiring implementation

* describe issue of stupid lane selection
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Mateusz Konieczny 2020-07-19 19:48:44 +02:00 committed by GitHub
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docs/book/src/gridlock.md
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@ -34,6 +34,11 @@ front/back of vehicles.
it. Such actions range from individual decisions of drivers to police manually
controlling traffic. Intelligent avoidance of gridlock is not simulated and
is extremely hard to simulate.
- Vehicles will wait in lane filled with already waiting vehicles, even if there
is a completely empty lane allowing travel in desired direction. It makes
easier for entire lane between crossings to fill, contributing to gridlocks.
Note that while this and other clearly stupid behaviors are clearly unrealistic,
it is not trivial to implement more realistic and more efficient decisions.
## Solutions
@ -57,9 +62,12 @@ Divide into implemented or not.
- likely shouldn't apply during uber-turns
- is it always fine to block the box at degenerate intersections?
- hacks to allow conflicting turns at really broken intersections
- upstreaming turn restrictions into OSM to prevent invalid U-turns and other
crazy movements
- upstreaming lane count fixes into OSM to improve geometry
- manually timing signals
- Last resort: if someone's waiting on a turn >5m, just go.
- Dynamic rerouting
### Fixing data used in simulation
- upstreaming turn restrictions into OSM to prevent invalid U-turns and other
crazy movements
- upstreaming lane count fixes into OSM to improve geometry