The M74 is the main route for road users between Glasgow and South West Scotland and provides an essential link to the M8 at Baillieston, via a one mile stretch of the M73. The improvement works at the Raith Interchange will see the creation of an underpass below the existing roundabout, providing a free flow link for traffic between the Bellshill Bypass and the East Kilbride Expressway.
In addition, the construction of three new bridges will carry the motorway and local traffic over this underpass, effectively separating the traffic on the A725 from that using the M74. This underpass will release additional traffic flow capacity on the roundabout.
AGEC undertook a Category 3 check of the complex, phased dewatering works to allow the construction of the main underpass. The geology is complex adjacent to Strathclyde Loch and the well arrangement was phased to facilitate a complex construction sequence. AGEC worked in tandem with the Main Contractor and dewatering sub-contractor to expedite the checking process and allow works commence quickly.