A smart motorway is a type of road in the United Kingdom that utilizes technology to actively manage traffic flow, improve safety, and increase capacity. When you are on a smart motorway, there are several features and signs that you may encounter. Here are some common elements and what they typically mean:
- Variable Speed Limits: Smart motorways often display variable speed limits on overhead gantry signs. These limits can change in real-time based on traffic conditions, accidents, or other factors. It is essential to adhere to the displayed speed limit.
- Lane Control Signs: Smart motorways use overhead signs to indicate whether certain lanes are open or closed. This is done to manage traffic flow and respond to incidents. If a lane is indicated as closed (usually with a red “X”), it is illegal to drive in that lane.
- Hard Shoulder Usage: In some smart motorway schemes, the hard shoulder may be used as a running lane during periods of heavy traffic. Signs will indicate when the hard shoulder is open for use.
- Emergency Refuge Areas: Instead of a continuous hard shoulder, smart motorways have designated emergency refuge areas where vehicles can stop in case of a breakdown or emergency. These areas are marked with blue signs.
- Enforcement Cameras: Smart motorways are equipped with cameras for enforcement purposes. These cameras monitor speed limits, lane usage, and can automatically issue penalties for violations.
- Red “X” Signs: A red “X” displayed on overhead signs indicates that a lane is closed. It is an offense to drive in a lane marked with a red “X.”
- Green Arrow Signs: These signs indicate that you can use the lane indicated by the green arrow. This is often used to open up the hard shoulder as a running lane during peak traffic.
It’s crucial to stay aware of the current road conditions and obey the displayed signs on smart motorways. Adhering to speed limits, lane closures, and other instructions helps maintain traffic flow and enhances safety on these dynamic road systems.