Causeway one.network

Location

Description

Traffic Management

Start Date

End Date

Responsibility

Abbey Lane

LEISTON 1459957 - raise/lower/renew dangerous damaged frame and cover in CW V causing hazard to (Pedestrians

11 September 2026

15 September 2026

BT

Blythburgh Road

REPLACE BT POLE

17 September 2026

18 September 2026

BT

St James Street

WESTLETON V28011 - Build 1 D144626 - Overlay – Lay approx 15m of Duct 54/56 in Footway / Verge / Carriageway to link existing BT Boxes to facilitate spine cabling works.

13 September 2026

16 September 2026

BT

Onners Lane

Sizewell C – SZC0784 TO15 to undertake removal of mud and debris from highway, loading and road sweeping. Mon-Fri 7am-7pm Phased road cleaning works with a moving TO15 between 14-25 September on Church Road, Chapel Road, Cemetery Road, Baker’s Hill, Onners Lane, Potters Street, Flash Corner, Leiston Road and Eastbridge Road. If works on a particular road finish earlier than planned, then works will automatically move onto the next road.

17 September 2026

18 September 2026

Sizewell C

Bakers Hill

Sizewell C – SZC0784 TO15 to undertake removal of mud and debris from highway, loading and road sweeping. Mon-Fri 7am-7pm Phased road cleaning works with a moving TO15 between 14-25 September on Church Road, Chapel Road, Cemetery Road, Baker’s Hill, Onners Lane, Potters Street, Flash Corner, Leiston Road and Eastbridge Road. If works on a particular road finish earlier than planned, then works will automatically move onto the next road.

15 September 2026

17 September 2026

Sizewell C

Cemetery Road

Sizewell C – SZC0784 TO15 to undertake removal of mud and debris from highway, loading and road sweeping. Mon-Fri 7am-7pm Phased road cleaning works with a moving TO15 between 14-25 September on Church Road, Chapel Road, Cemetery Road, Baker’s Hill, Onners Lane, Potters Street, Flash Corner, Leiston Road and Eastbridge Road. If works on a particular road finish earlier than planned, then works will automatically move onto the next road.

15 September 2026

17 September 2026

Sizewell C

Chapel Road

Sizewell C – SZC0784 TO15 to undertake removal of mud and debris from highway, loading and road sweeping. Mon-Fri 7am-7pm Phased road cleaning works with a moving TO15 between 14-25 September on Church Road, Chapel Road, Cemetery Road, Baker’s Hill, Onners Lane, Potters Street, Flash Corner, Leiston Road and Eastbridge Road. If works on a particular road finish earlier than planned, then works will automatically move onto the next road.

14 September 2026

15 September 2026

Sizewell C

Church Road

Sizewell C – SZC0784 TO15 to undertake removal of mud and debris from highway, loading and road sweeping. Mon-Fri 7am-7pm Phased road cleaning works with a moving TO15 between 14-25 September on Church Road, Chapel Road, Cemetery Road, Baker’s Hill, Onners Lane, Potters Street, Flash Corner, Leiston Road and Eastbridge Road. If works on a particular road finish earlier than planned, then works will automatically move onto the next road.

13 September 2026

14 September 2026

Sizewell C

High Street

ALDEBURGH 1454325 - Overlay – Lay approx 2m of Duct 54/56 in verge / footway to link existing BT Boxes to facilitate spine cabling works.

Traffic control (two-way signals)

15 September 2026

18 September 2026

BT

Station Road

Complete tie in of 10" Cast with 315mm PE

12 September 2026

20 September 2026

Cadent

Footway Alongside Jubilee Hall

Excavation required to provide telecoms/fibre services for customer.

13 September 2026

16 September 2026

BT

Mill Road

Refresh white lines on junction and associated markings

14 September 2026

15 September 2026

Suffolk County Council

Church Lane

Refresh white markings on junction

14 September 2026

15 September 2026

Suffolk County Council

St Margarets Crescent

Refresh white markings on junction

14 September 2026

15 September 2026

Suffolk County Council

Church Road

Refresh white markings at junction

14 September 2026

15 September 2026

Suffolk County Council

King Edward Road

Refresh white markings at junction

14 September 2026

15 September 2026

Suffolk County Council

Kitchener Road

Refresh white markings at junctions

14 September 2026

15 September 2026

Suffolk County Council

King Georges Avenue

Refresh double yellow lines both sides

14 September 2026

15 September 2026

Suffolk County Council

Abbey Road

LEISTON 1310629 - INTERIM TO PERMANENT - in Footway / Verge / Carriageway

Traffic control (two-way signals)

13 September 2026

16 September 2026

BT

Blythburgh Road

replace bt pole

17 September 2026

18 September 2026

BT

Rectory Road

replace bt pole

17 September 2026

18 September 2026

BT

Title Road

permit for manual control of T015 boards at the junction of Leiston road to control access whilst 3 x trial holes completed in collaboration with our permit EN025SMAINS10092026B in Leiston road

10 September 2026

13 September 2026

Essex And Suffolk Water

Buckleswood Lane

Sizewell C – SZC0767 A TO15 is required to allow multiple deliveries to site, approx. 1 delivery per day (not including weekends)

7 September 2026

18 September 2026

Sizewell C

Grove Road

SAXMUNDHAM 1365648 - INTERIM TO PERMANENT - in Footway / Verge / Carriageway

16 September 2026

21 September 2026

BT

Thorpe Road

LEISTON 1454270 - Overlay – Lay approx 30m of Duct 54/56 in Verge / Carriageway to link existing BT Boxes to facilitate spine cabling works.

Traffic control (two-way signals)

9 September 2026

14 September 2026

BT

High Street

ALDEBURGH 1454325 - Overlay – Lay approx 2m of Duct 54/56 in verge / footway to link existing BT Boxes to facilitate spine cabling works.

Traffic control (two-way signals)

9 September 2026

14 September 2026

BT

Leiston Road

3 x trial holes in c/w & verge to confirm existing water mains in preparation for future works for Sizewell C

Traffic control (two-way signals)

10 September 2026

13 September 2026

Essex And Suffolk Water

Roberts Road

CARRIAGEWAY REPAIRS - SINK HOLE

20 August 2026

18 September 2026

Suffolk County Council

Thorpe Road

TM for safe access and egress of plant to Crossing Point 3&4.

Traffic control (multi-way signals)

1 September 2026

4 October 2026

East Anglia Two

Thorpe Road

Remedial works to complete road signage and high friction surfacing

Traffic control (multi-way signals)

1 September 2026

5 October 2026

East Anglia Two

Abbey Road

Sizewell C – SZC0762 BBR - Installation of level crossing corner bases and hardstands Installation of level crossing corner bases and hardstands involves excavation, construction of concrete foundation bases, placement of compacted hardstanding material, and associated civil works to support level crossing equipment and safe maintenance access. 02/09/2026 - 16/09/2026 Alternate lane closures based on what side of LX we are working on To utilise Jacksons open TM agreement

Traffic control (two-way signals)

23 August 2026

18 September 2026

Sizewell C

Yoxford Road

SZC - 0654 - YOXFORD 1391043 - Traffic Management to enable completion of Openreach connection & redistribution works.

Traffic control (two-way signals)

13 September 2026

25 September 2026

BT

Middleton Moor

Sizewell C – B1122 Early Years Road improvements including vegetation clearance, new footpath construction, carriageway resurfacing and signage installation. Works undertaken with nighttime closures of the B1122 and diversions along the B1122, B1069, A1094 and A12 (and vice versa). The road closure will be progressed under an Article 19 application. Mon-Thursday nights 20:00 to 05:00

31 August 2026

23 October 2026

Sizewell C

Yoxford Road

Sizewell C – B1122 Early Years Road improvements including vegetation clearance, new footpath construction, carriageway resurfacing and signage installation. Works undertaken with nighttime closures of the B1122 and diversions along the B1122, B1069, A1094 and A12 (and vice versa). The road closure will be progressed under an Article 19 application. Mon-Thursday nights 20:00 to 05:00

31 August 2026

23 October 2026

Sizewell C

Reckford Road

Build verge chamber and access 1 x chambers for rodding and roping - verge

Traffic control (two-way signals)

11 September 2026

15 September 2026

Virgin Media

Reckford Road

Build verge chamber and access 2 x chambers for rodding and roping

Traffic control (two-way signals)

11 September 2026

15 September 2026

Virgin Media

Snape Road

1. A two stage junction ensuring that Snape Road traffic streams can run simultaneously. 2. Vehicle Actuation introduced at side roads to ensure consistent application of max green times. 3. Max green for side roads to be to be peak hour specific adjusted to 10 seconds AM and 10 seconds PM. 4. Maximum permitted max green times for Snape Road of 60 seconds. 30MPH speed restriction

Traffic control (two-way signals)

27 July 2026

17 December 2027

Suffolk County Council

Grove Road

A three-stage junction ensuring that Grove Road traffic streams can run simultaneously, Access 11&12 can run simultaneously. (Previously Access 11&12 had run independently due to width constraints when constructing the haul road.) An ‘all red’ period to permit pedestrians to cross Access 12. This is a safety measure to mitigate the event of vehicles turning into Access 12 in error. Max green for side roads to be to be peak hour specific adjusted to 20 seconds AM & 20 second 30MPH speed restri

Traffic control (two-way signals)

27 July 2026

17 December 2027

Suffolk County Council

Victoria Road

ABANDON 332M X 200MM DI GAS MAIN AND LAY 332M 180MM PE GAS MAIN ASSOCIATED CONNECTIONS AND APPROX 31 SERVICES

Traffic control (multi-way signals)

13 September 2026

23 October 2026

Cadent

Leiston Road

Streetlighting Replacement

Traffic control (multi-way signals)

18 September 2026

18 September 2026

Suffolk County Council

Park Hill

Streetlighting Unit Replacement

Traffic control (multi-way signals)

14 September 2026

14 September 2026

Suffolk County Council

Haylings Road

Streetlighting Replacement Works

Traffic control (two-way signals)

15 September 2026

18 September 2026

Suffolk County Council

Westward Ho

Sizewell C – SZC0624 (Article 19) Leiston LX Full Closure Sleeving installation & Trial Holes (Excavation depth 2metres), In advance of Cadent closure with handover coordinated with Cadent. Closure in place 24/7 due to excavation requirements. Western footway to remain open during closure. 20/07/2026 06:00hrs - 09/08/2026 00:00hrs

26 July 2026

20 September 2026

Sizewell C

Abbey Road

Sizewell C – SZC0624 (Article 19) Leiston LX Full Closure Sleeving installation & Trial Holes (Excavation depth 2metres), In advance of Cadent closure with handover coordinated with Cadent. Closure in place 24/7 due to excavation requirements. Western footway to remain open during closure. 20/07/2026 06:00hrs - 09/08/2026 00:00hrs

26 July 2026

20 September 2026

Sizewell C

Sylvester Road

ABANDON 4" SI & REPLACE 90MM PE. APPROX 50 SERVICES.

3 August 2026

28 September 2026

Cadent

Arnhem Road

ABANDON 6" SI & REPLACE 125MM E. APPROX 10 SERVICES.

3 August 2026

14 September 2026

Cadent

Grove Road

A three-stage junction ensuring that Grove Road traffic streams can run simultaneously, Access 11&12 can run simultaneously. (Previously Access 11&12 had run independently due to width constraints when constructing the haul road.) An ‘all red’ period to permit pedestrians to cross Access 12. This is a safety measure to mitigate the event of vehicles turning into Access 12 in error. Max green for side roads to be to be peak hour specific adjusted to 20 seconds AM & 20 second 30MPH speed restri

Traffic control (two-way signals)

21 June 2026

17 December 2027

Suffolk County Council

Snape Road

1. A two stage junction ensuring that Snape Road traffic streams can run simultaneously. 2. Vehicle Actuation introduced at side roads to ensure consistent application of max green times. 3. Max green for side roads to be to be peak hour specific adjusted to 10 seconds AM and 10 seconds PM. 4. Maximum permitted max green times for Snape Road of 60 seconds. 30MPH speed restriction

Traffic control (two-way signals)

21 June 2026

17 December 2027

Suffolk County Council

Annesons Corner

Sizewell C – SZC0669 (SLR-TM-011) Annesons Corner/Hawthorn Road - Full Road Closure required for construction of Sizewell Link Road - stopped up. 24hr closure. Progressed under Article 19.

10 August 2026

27 April 2027

Sizewell C

Thorpe Road

Installation of 30mph speed restriction for site access / Egress safety.

25 May 2026

1 September 2027

Suffolk County Council

White House Road

Sizewell C – SZC West House Site Operations - Temporary road obstruction required for the upgrade of West House LX which is in relation to the Sizewell C AD4 Rail Scheme. - Delivery of the Materials and Equipment - Movement of service vehicles and effluent collections TO15 required to complete all the essential activities in a safe manner. All site operations are in relation to the Sizewell C AD4 Rail Scheme. Access will be maintained for local properties and the emergency services.

16 April 2026

9 October 2026

Sizewell C

The Green

Sizewell C – SZC0496 Knodishall Compound 05/12/2025 - 05/05/2026 Requirement - TO15 for duration of MWL for delivery of welfare facilities. Deliveries will be carried out on a 2 weekly basis TO15 won't be used at the same time of the UKPN closure that's in place overnight on 15th December. Traffic Management Plan for movements taking place next week on 24th/25th June (updated to cover welfare & material deliveries) for a one-off delivery for that week.

15 December 2025

31 October 2026

Suffolk County Council

Westward Ho

Sizewell C – (SZC0206) Article 24 Speed Limit Buckleswood Road Temporary 30mph speed limit Related to LA 928577

21 April 2025

31 December 2026

Suffolk County Council

Road From A12 Yoxford To A1094 Aldeburgh

Sizewell C – SZC0142 Temporary closure of layby west side of B1122 Abbey Road opposite Eastbridge Road junction to facilitate new roundabout construction and access into adjacent field for drainage, ducting & new bridleway construction. Cones & Signing only

17 March 2025

31 December 2026

Suffolk County Council

Road From A12 Yoxford To A1094 Aldeburgh

Sizewell C – SZC0139 - Construction of new roundabout on B1122 Abbey Road / Eastbridge Road for primary access to the Main development site. Temporary traffic signals required at various stages throughout the duration of the works which will be manually controlled during peak periods. Works include drainage, ducting, earthworks, kerbing, road construction, street lighting, Pegasus crossing, surfacing, signs & road markings to facilitate new roundabout construction.

Traffic control (multi-way signals)

16 June 2025

31 December 2026

Suffolk County Council

Abbey Road

Sizewell C – SZC0140 - Carriageway construction & realignment works for SZC main development site roads. Combination of signing only & temporary traffic signals required at various stages throughout the duration of the works. Traffic signals will be manually controlled during peak periods. Works include drainage, ducting, earthworks, kerbing, road construction, street lighting, Pegasus crossing, surfacing, signs & road markings to facilitate road alignment.

Traffic control (multi-way signals)

16 June 2025

31 December 2026

Suffolk County Council

Lovers Lane

Sizewell C – SZC0141 Carriageway construction & realignment works on Lover’s Lane which includes Combination of signing only & temporary traffic signals required at various stages throughout the duration of the works. Traffic signals will be manually operated during peak periods.Works include drainage, ducting, earthworks, kerbing, road construction, street lighting, Pegasus crossing, surfacing, signs & road markings to road realignment

Traffic control (multi-way signals)

16 June 2025

31 December 2026

Suffolk County Council

King Georges Avenue

Sizewell C – (SZC0165) Article 24 Speed Limit King George’s Avenue, Leiston

10 March 2025

31 March 2028

Suffolk County Council

Eastbridge Road

Sizewell C - SZC0138 - Eastbridge Road Plant Crossing. Construction of plant crossing point across Eastbridge Road from main site compound for Bridleway 19 Section 8 construction access. Manually operated ‘STOP WORKS’ signs to be used to safely control vehicular traffic for short periods (max 2 minutes) to allow construction traffic to cross the carriageway as and when required.

10 February 2025

31 December 2026

Suffolk County Council