Some more info.

How to map, and here is a sample result.

Basically, need a relation with:

  1. tag type=enforcement
  2. tag enforcement=* (e.g. maxspeed / traffic_signals)
  3. tag maxspeed=* (if it’s a maxspeed enforcenent)
  4. role “device” on the device node.
  5. role “from” on the way where the enforcenent is made.

talkat.