A smart motorway, also known in Scotland as an intelligent transport system, is a section of motorway in the United Kingdom that employs active traffic management to increase capacity. Technologies us
A control room for the M25 J5-7 Smart Motorways scheme, 2014
A section of controlled motorway on the M25 in Hertfordshire
M42 with hard shoulder running in the West Midlands. It is shown as closed while the ordinary lanes have a mandatory 40mph speed limit.
A stretch of the M25 in Hertfordshire, where the motorway operates as four-lane running without a hard shoulder between J23-27