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Motorway Access Management

Motorway Access Management:
Smoothing your journeys on England's motorways

The Problem

Traffic congestion on our motorways is an increasing problem and we are continually looking at new ways to keep these roads running as freely as possible

During busy periods, congestion often occurs near junctions when vehicles join the motorway from the entry slip road, while there is heavy traffic on the motorway itself

In severe cases this can result in overloading the main carriageway which then causes 'stop-start' driving conditions for motorists

Access Management

The HA has carried out trials of the access management scheme on the M6 and M27. A £6m national implementation plan is now in place to introduce access management at slip roads across 30 locations

System Operation

Traffic signals are located on the motorway slip road and operate during congested periods to regulate the amount of traffic joining the motorway

Sensors are located along the slip road which enables the system to be turned off when necessary. This will prevent the build up of traffic on the adjacent road network

Benefits of Access Management

Motorway access management is expected to deliver benefits that include: 

  • Improvements to flows at key points on the motorway network
  • Reduced delays created by heavy traffic and congestion
  • Improvements in the reliability of journey times

Map of pilot roads

Implementation

Motorway access management has been used overseas and is already operating successfully on the M6. These trials have enabled the Highways Agency to develop guidelines for identifying suitable junctions for introducing the system

The Highways Agency will initially introduce access management at slip roads across 30 locations, starting with ten on the M6, M60 and M62 motorways in the North West. The locations are shown on the map at the back of this leaflet

Work starts in January 2006 and the system will begin operating this spring after the equipment has been installed and tested. Other sites are currently being investigated in the North East, South East and Midlands with a view to implementing suitable sites later this year and next

The HA will be working in partnership with local highway authorities to integrate the new system with local traffic control systems wherever possible.