Never drive in a lane closed by a Red X. Keep to the speed limits shown on the signs. In an emergency or breakdown. If your vehicle is damaged or appears to have problems,. A Red X sign indicates that a lane is closed to traffic. Different types of smart motorways have different ERA spacing, but the furthest you will be away from one is around 1. This includes the use of variable speed limits and access to the hard shoulder at peak times.
Smart motorways are popping up all over the UK in high traffic areas. They have electronic signs overhead to direct traffic, which can be changed from a central Highways Agency control room. What is a smart motorway ? A smart motorway is a section of motorway which uses technology to control the flow of traffic. Motorway signs are often in place from as much as one mile to provide traffic with sufficient warning to change to an appropriate lane if necessary.
The below motorway signs are the most common found and are similar to those found on many dual carriageways in the UK. Unlike the blue signs found on motorways however, dual carriageway signs are green in colour. She oversees the smart section of the Mand the southern half of the M25’s signage , as well as other road signals , queues and congestion issues. Early systems used dot matrix signs on gantries to display short text messages, with smaller variable signs above each lane and to the sides of the carriageway.
