Final answer:
Reversible lanes use specific signs and markings to indicate the direction of travel. These include directional arrows, lane control signals, changeable message signs, and pavement markings.
Step-by-step explanation:
Reversible lanes are traffic lanes that can be used for travel in either direction. These lanes are typically found on busy highways or urban roads where traffic patterns change throughout the day. To indicate the direction of travel in reversible lanes, several signs and roadway markings are used.
1. Directional arrows: These signs have arrows pointing in the direction of the authorized travel, indicating whether the lane is open for inbound or outbound traffic.
2. Lane control signals: These are traffic signals installed above the reversible lanes to inform drivers when they are open or closed, and to guide them through the lane transitions.
3. Changeable message signs: These electronic signs provide real-time information about the current status of the reversible lanes, including opening and closing times and any restrictions.
4. Reversible lane pavement markings: These markings on the road surface indicate the boundaries of the reversible lanes and may include arrows or symbols to indicate the authorized travel direction.