Introduction of dynamic hard shoulder running (use of the hard shoulder as a fourth lane during busy periods) on a section of the M4 (J19-20) and M5 (J15-17) north of Bristol. The aim of the scheme is to increase the capacity of the existing road space, and thus reduce congestion.
This scheme was completed in and we're no longer accepting updates or changes to this page.
According to the Highways Agency, construction is expected to start early next year.
Draft Regulations were published today. The consultation period will end on 23 December 2011.
The main contractor for the project (Balfour Beatty) was announced today.
The official start of construction was announced today.
With thanks to Michael Pritchard for information on this page.