M27 Junction Improvement

Junction widening scheme

A major scheme which provides for widening of the M27 off-slips taking traffic onto the Junction 5 gyratory.

A thorough variety of construction disciplines were necessary for the widening works including reinforced highway embankments, drainage, storm water attenuation facilities, sheet plied retaining walls and, the alteration and extension of an existing reinforced concrete bridleway subway.

Value of development


Development time

28 weeks

Contract type

NEC 3 Contact

Project type



M27 Junction Improvement

M27, Portsmouth, Whiteley, Fareham, UK