Driving on hard shoulder, variable speed limits as 'smart…
Traffic on the M4 near Bristol will from today be managed remotely, with the hard shoulder opened at peak times and speed limits imposed depending on traffic volumes.
The stretch of “smart motorway” between junctions 19 and 20 – for the M32 and M5 – will be controlled from Avonmouth, with speed limits shown on overhead gantries in a red ring, closures indicated by a solid red cross and instructions to move out of a lane by a white arrow. Tests of hard shoulder use between junctions… – Read More.

Go to Somerset Guardian
Author: ChronReports
http://www.somersetguardian.co.uk/Drink-driving-elderly-motorists-rise/story-19930283-detail/story.html