Stretches of motorway near Watford are set to be shut for several different reasons over the next fortnight.

Delays of up to 30 minutes are expected for anticlockwise journeys on the M25 between junction 25 and 24 from 10pm on September 29 to 5am on September 30.

There will be lane and slip road closures as one of 14 planned works set to cause disruption in the area over the next two weeks.

See the full list of motorway closures near Watford below:

M1:

  • (In progress) From 10pm September 23 to 5am September 26: Slight delays (under 10 minutes). Southbound, junction 5 to junction 4. Lane closure for Parapet replacement works.
  • From 10pm September 26 to 6am September 28: Slight delays (under 10 minutes). Southbound, junction 5 to junction 4. Lane closure for parapet replacement works.
  • From 10pm September 30 to 5am October 1: Slight delays (under 10 minutes). Southbound, junction 5 to junction 4. Lane closure for parapet replacements.
  • From 10pm October 3 to 5am October 4: Slight delays (under 10 minutes). Northbound, junction 4 to junction 5. Lane closure for parapet replacement works.

M25:

  • (In progress) From 8pm September 2 to 6am September 28: Moderate delays (10-30 minutes). Clockwise, junction 23 to junction 24. Lane and slip road closure for NEAR (National emergency area retrofit) scheme. Diversion via National Highways roads.
  • From 10pm September 29 to 5am September 30: Moderate delays (10-30 minutes). Anti-clockwise, junction 25 to junction 24. Lane and slip road closure utilising NEAR scheme. Diversion via National Highways roads.
  • From 8pm September 30 to 6am December 20: Moderate delays (10-30 minutes). Clockwise, junction 23 to junction 24. Lane and slip road closure listed as being for “scheme” works. Diversion via National Highways roads.

A1/(M):

  • (In progress) From 10.30pm September 1 to 5am October 1: Slight delays (under 10 minutes). Southbound, junction M25 to junction Borehamwood. Lane closure for Urgent TFL structural maintenance.
  • From 10pm September 23 to 6am September 25: Moderate delays (10-30 minutes). A1 northbound, junction Stirling Corner to A1(M), junction 1. Carriageway closure for surfacing works. Diversion via local authority and National Highways roads.
  • From 10pm September 25 to 5.30am September 30: Moderate delays (10-30 minutes). A1(M) southbound, junction Roestock to junction Bignells Corner and A1 southbound, junction Bignells Corner to junction Rowley Lane. Lane, carriageway, and slip road closure for urgent bridge repairs. Diversion via Local authority roads.
  • From 9.30am October 1 to 4pm October 3: Slight delays (under 10 minutes). A1(M) northbound, junction 1 to junction 2. Hard shoulder closure for speed reduction scheme.
  • From 9.30am October 2 to 4pm October 4: Slight delays (under 10 minutes). A1(M) southbound, junction 2 to junction 1. Hard shoulder closure for speed reduction works.
  • From 11pm October 4 to 6am October 5: Slight delays (under 10 minutes). A1(M) southbound, junction Bignells Corner to junction Rowley Lane. Lane closure for electrical works.
  • From 11pm October 4 to 5am October 5: Slight delays (under 10 minutes). A1 northbound, junction Rowley Lane to junction Bignells Corner. Lane closures for electrical works.