Work at Thickthorn
Work is due to start shortly on improvements to Thickthorn Roundabout and these will inevitably cause delays.
work to restore the surface of the carriageway and its approaches, repaint
white lines and make improvements to navigation of the roundabout will start
on Monday 10th February for 18 week nights (8pm to 6am), weather permitting.
This work is due to be complete by 6 a.m on 6th March
work takes place, short sections of the roundabout and its approaches will be
worked on each night and a 50mph speed limit will be in place, with a mixture
of single lane closures and full closures with a signed diversion route as
required (summarised below).
Phase 1 (first 3 nights)
2 (2 nights)
Closure of the B1172 Norwich Common
(southbound) with a diversion route south on the A11 to B1135 Tuttles Lane
Interchange where vehicles can access the A11.
3 (2 nights)
B1172 closure (northbound) with a
diversion route south on the B1172 Norwich Common to the B1135 Tuttles Lane
Interchange where vehicles can access Thickthorn Roundabout via the A11
4 (4 nights)
Closure of the A11 Newmarket Road northbound
with a diversion route along the A47 westbound carriageway to Watton Road
Interchange where vehicles will be directed east along Watton Road, Colney
Lane and Round House Way to rejoin the A11 at the A11 Newmarket Road
5 (3 nights)
A11 Newmarket Road southbound closure
with a diversion route from A11 Newmarket Road Roundabout where vehicles will
be directed westbound along Round House Way, Colney Lane and Watton Road to
Watton Road Interchange and along the A47 eastbound carriageway to access
Thickthorn Roundabout via the A47 eastbound off slip.
6 (2 nights)
southbound closure with a diversion route along the B1172 Norwich Common
(southbound) to join the A11 at B1135 Tuttles Lane Interchange.
Return to Phase 1 traffic management for
1 night (last night of works).
with further questions on the work should contact the Highways Agency
Information Line on
0300 123 5000 (24 hours, 7 days a week).