The developments will prioritise the reduction of carbon-intensive materials. Credit: jamesteohart via Shutterstock.

Transport for London (TfL) has selected infrastructure solutions provider Costain to advance refurbishment projects at two junctions in London, England, UK. 

The initiatives at Gallows Corner Flyover and Brent Cross Interchange aim to alleviate congestion and enhance the safety, reliability, and quality of passenger journeys. 

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At Gallows Corner Flyover, Costain is set to develop the detailed design and execute the refurbishment of the structure that connects the A127 to the A12, providing access to the M25 motorway.  

This contract follows the completion of the concept design phase. 

It intends to employ construction methods that minimise on-site disruption and reduce the use of carbon-intensive materials. 

For Brent Cross Interchange, a junction used by more than 120,000 drivers daily, Costain will produce both concept and detailed designs for its renewal.  

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This interchange links the A406 and A41 dual carriageways and includes the A41 flyover and a gyratory system above the A406, providing access to the M1 north segment and the A5.  

The concept design for the project is anticipated to refine TfL’s preferred option for renewing the structures, with the detailed design outlining the optimal approach for these works. 

Costain integrated transport director Andy Clarke said: “We’re proud to be a trusted partner of Transport for London and we look forward to collaborating with our partners on these exciting projects.  

“With a focus on delivering value for money, we’ll identify the most effective and innovative way to make these vital improvements to the local infrastructure. At the same time, we will reduce the scheme’s carbon footprint and minimise the impact of construction on road users and the local community.” 

In October last year, Costain was reappointed as the strategic delivery partner of Bradford Council in the country.