5 pairs in play
- airport
- bicycle ahead
- deer crossing
- do not enter
- falling rocks ahead
- green light
- handicap sign
- no bicycles
- no left turn
- no parking
- no pedestrians
- no right turn
- no u-turn
- one way
- red light
- slippery road
- speed limit
- stop
- tow away zone
- traffic lights
- wrong way
- yellow light
- yield