Suffolk - Temporary Road Closures due to Utility Works for Roundabout Construction
What is happening?
Sizewell C (Nuclear Generating Station) Order 2022/853 – Article 19
TEMPORARY CLOSURE OF PART OF A12 MAIN ROAD AND A1094 FRIDAY STREET, BENHALL
SIZEWELL C (Nuclear Generating Station) intends to make an order closing the A12 MAIN ROAD between its junction with Park Road and its junction with the B1121, and A1094 FRIDAY STREET for approximately 200m south of its junction with A12.
The closure is to facilitate utility works associated with the construction of the new roundabout. Other coordinated works may also take place during this period.
The A12 northbound diversion route will be B1116; A1120; A12 and vice versa.
The A12 southbound diversion route will be B1122, B1069, A1094, B1069, A1152.
The A1094 diversion route will be B1122, B1069, A1094, B1069, A1152, A12 and vice versa.
It is intended that the closure will operate between the hours of 8pm and 5am.
The closure will be split into 3 phases between 3/11/2025 to 8/11/2025 as follows.
| Phase | Start date | End Date | Night-time Closure (8pm to 5am) | Night-time Open (8pm to 5am) |
|---|---|---|---|---|
| Phase 1 | 3/11/2025 | 4/11/2025 | A12 and A1094 Closed | N/A |
| Phase 2 | 4/11/2025 | 6/11/2025 | A12 Southbound and A1094 Friday Street Closed | A12 Northbound Open |
| Phase 3 | 6/11/2025 | 8/11/2025 | A12 Northbound and A1094 Friday Street Closed | A12 Southbound Open |
Date: 6 October 2025
Sizewell C Information Office
48–50 High Street,
Leiston,
IP16 4EW
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