Hatfield Business Park Jack Oldings Roundabout, A1 (M) Junction 4 Section 278 Works

Client: Arlington Developments
Supervising Engineer: Hertfordshire County Council
Value: £3,850,000
Contract Duration: 7 months

Works Package

  • Widening of the carriageway approaches and departures from the interchange.
  • Widening of the inside and outside lanes of the circulatory carriageway.
  • Construction of a new concrete box, surface water, culvert.
  • Traffic signalisation of the interchange.
  • Construction of new footways and cycleways.
  • Installation of surface water drainage system and service ducting.

Hazards and Restrictions

  • Works subject to traffic and pedestrian management.
  • Deep excavations and confined spaces working.
  • Existing buried services throughout the site.
  • Works adjacent to live traffic.
  • Restricted areas to manoeuvre plant and equipment.