Keep clear of these roads to avoid delays.

Upminster

Ockendon Road: Two way signals until Monday, February 26.

St Mary’s Lane: Multi-way signals until Monday, February 26.

St Mary’s Lane, junction with Boundary Road: Multi-way signals on Friday, March 2.

Hornchurch

Abbs Cross Lane: Multi-way signals until Wednesday, February 28.

Suttons Lane: Two-way lights from Thursday, March 1 until Monday, March 5.

Rainham

Berwick Road junction with Thorn Lane: Multi-way signals until Monday, March 12.

Havering-atte-Bower

Broxhill Road: Two-way signals until Monday, March 12.

Harold Hill

Gooshays Drive: Two-way signals until Friday, March 2.