M25
Capex value: £1.4b | $2.3b
Equity invested: £80m | $128m
Concession length: 30 years
Length: 400km

Capex value: £1.4b | $2.3b
Equity invested: £80m | $128m
Concession length: 30 years
Length: 400km
With responsibility for the 30-year, M25 Design, Build, Finance and Operate (DBFO) contract, Balfour Beatty Investments is committed to helping the Highways Agency deliver on its promise of safe roads and reliable journeys.
Balfour Beatty Investments is responsible for routine maintenance and operation of the network, as well as management of the whole life requirement of the asset. This role includes identifying ways of reducing delay and improving journey time reliability. In addition, to complement our commitment, Balfour Beatty Investments is implementing a plan of management and design for renewal and improvement works.
The initial phase included 36 miles of widening prior to the London 2012 Olympic and Paralympic Games with the subsequent phase being undertaken on further instruction from the Highways Agency. Initial design work has now commenced on this second phase which includes: