A35, Dorchester - Temporary Road Closure due to the Weymouth Ironman Event

national highways

ROAD TRAFFIC REGULATION ACT 1984 – SECTION 16A(2)(a)

THE A35 TRUNK ROAD (DORCHESTER)

(TEMPORARY PROHIBITION OF TRAFFIC) ORDER 2026

NOTICE IS HEREBY GIVEN that National Highways Limited(a) has made an Order on the A35 trunk road in the County of Dorset under section 16A(2)(a) of the Road Traffic Regulation Act 1984 for the purpose of facilitating the holding of a relevant event.

The special event is expected to take place on Sunday 20 September 2026 between 7.30am and 1.30pm.

The effect of the Order will be to authorise the closure of the eastbound exit slip road at the A35 Northbrook Junction.

These measures will be in the interests of road safety during the passage of the Weymouth Ironman event.

During the closure traffic will be diverted via the A35, the B3390 and local roads.

The closures (which will not apply to emergency service vehicles) and diversion routes will be clearly indicated by traffic signs throughout the event and will only apply when traffic management measures are in place.

The Order will come into force on 18 September 2026 and have a maximum duration of one month.

Paul Edwards, National Highways Limited

(a) Registered in England and Wales under company no. 9346363. Registered office: Three Snowhill, Snow Hill Queensway, Birmingham, B4 6GA.

General Enquiries relating to this notice may be made in writing to contact the Customer Contact Centre on 0300 123 5000 or info@nationalhighways.co.uk.