Modular walling system needed for A24 scheme

Highways Reporters

A modular walling solution has been employed on the A24 to lessen the impact of accidents in an area where there was no room for a crash barrier.

CPM’s Redi-Rock modular walling solution - which complies with the Design Manual for Roads and Bridges TD19/06 requirements for road restraint systems - was used on the A24 near the Broadbridge Heath Junction.

Consultants Halcrow and Peter Brett Associates, along with principle contractors Breheny, were tasked with finding a safety solution but as the curb line was less than a metre away from the retaining wall, there was no room for a crash barrier.

As a result the new smooth limestone face Redi-Rock retaining wall block was installed.

The scheme is part of a 2,000 home development to the west of Horsham, that included homes in Wickhurst Green and Highwood. The new junction on the A24 at Highwood Hill links the developments and includes two roundabouts.

John O’Brien, West Sussex County Council cabinet member for highways and transportation, said: 'It is quite impressive, what they have actually done. This hopefully will alleviate some of the rush hour traffic and allow traffic to get on the A24 easier.'

The project was completed three months ahead of schedule and Breheny gained a Considerate Constructors Scheme 'Beyond Compliance' award for its performance.
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