A47 Longwater Interchange
Essential drainage renewal works are to be carried out at the above location over 11 weeks, subject to weather conditions, starting Monday 13 September.
Phase 1: Westbound entry and exit slip road closures at Longwater Interchange starting Monday 13 September weeknights only for approximately 10 nights, between the hours of 8pm and 6am
- Westbound exit slip closure – traffic will travel along the A47 to Dereham road roundabout and return eastbound to Longwater Interchange. (Diagram 1)
- Westbound entry slip closure – traffic will travel along the A47 to Watton road Interchange and return westbound on the A47. (Diagram 2)
During Phase 1, the westbound entry slip lane width will be reduced for safety reasons.
Phase 2: Eastbound exit and entry slip closure at Longwater Interchange, weeknights only, between the hours of 8pm and 6am for approximately 6 nights
- Eastbound entry slip closure – traffic will travel along the A47 westbound to Dereham road roundabout and return eastbound on the A47. (Diagram 3)
- Eastbound exit slip closure – traffic will travel along A47 eastbound to Watton road Interchange and return to Longwater Interchange westbound on the A47. (Diagram 4)
Phase 3: A47 Westbound and Eastbound full closure between the slips at Longwater Interchange, weeknights only, between the hours of 8pm and 6am for approximately 3 weeks.
- Westbound closure between slips – traffic will exit A47 at Longwater Interchange at the exit slip and return via the entry slip (Diagram 5)
- Eastbound closure between slips – traffic will exit A47 at Longwater Interchange at the exit slip and return via the entry slip. (Diagram 6)
Phase 4: A47 Westbound full closures between Watton Road Interchange and Longwater Interchange, weeknights only, between the hours of 8pm and 6am for approximately 4 weeks.
- Westbound traffic will exit the A47 at Watton Road and then travel onto Earlham Road towards Norwich. They will then join Farrow Road before travelling along Dereham road A1074 and re-joining the A47 at Longwater Interchange. (Diagram 7)
Phase 4a: Westbound exit slip road closure starting Saturday 20 November (6am) to Monday 22 November (6am) (2 days – weekend closure)
- Westbound exit slip closure – traffic will travel along the A47 to Dereham road roundabout and return eastbound to Longwater Interchange eastbound. (Diagram 1)
Please note during Phases 3 and 4 the road will be reduced to one lane during the day, and the speed limit reduced to 40mph for safety reasons.
Please see the diversion maps for all of the phases detailed above.