Subchapter II - TRAFFIC SIGNS, SIGNALS AND MARKINGS
- Section 4106 - Authorized emergency vehicles
- Section 4107 - Obedience to and required traffic-control devices
- Section 4108 - Traffic-control signal legend
- Section 4109 - Pedestrian-control signals
- Section 4110 - Traffic signals
- Section 4111 - Display of unauthorized signs, signals or markings
- Section 4112 - Interference with official traffic-control devices or railroad signs or signals or other street signs
- Section 4112A - Traffic control signal preemption devices