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M4 junction 18a link road study

Consultation on route concepts

The emerging Joint Transport Study for the West of England has identified a range of improvements to the transport networks in the region, including the need for a new motorway junction between M4 Junction 18 and Junction 19 (Junction ‘18a’), and an associated link road to the A4174 Ring Road. The scheme would help tackle congestion problems in the north-east fringe of Bristol and help businesses operate more efficiently.

The Department for Transport has granted funding for a feasibility study into the M4 Junction 18a Link. South Gloucestershire Council, in partnership with Highways England (responsible for the motorways), commissioned consultant CH2M to undertake this study.

We would like to hear your views on the potential concepts for the location of the new junction and link road, plus directly associated improvements to the existing transport networks.

We are organising a public consultation to run for eight weeks starting the week commencing 21 August.

Information and a questionnaire will be available at from 21 August.  There will be public exhibitions at local venues, details of which will also be available at

You can also register to receive notifications about this and other about consultations in South Gloucestershire by registering at

This is the first stage in scheme development.  If the scheme progresses, it would require detailed design, evaluation, preparation of business cases and statutory permissions.

There would be further rounds of public consultation as the scheme is developed over forthcoming years.

The outcome of this consultation will be published with the study report in March 2018.


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