Work No. 1DD—U.K.A railway (680 metres in length) commencing by a junction with the railway (Work No. 1D) at its termination, passing northwards over the railway (Work No. 2) in tunnel and the Regent’s Canal, then passing north-eastwards in tunnel beneath the railway (Work No. 1CC) for a distance of 150 metres, then over the diverted York Way (Work No. 5Q) and the railways (Works Nos. 2AA and 2BB) in tunnel, and terminating by a junction with the railway (Work No. 1BB) at a point 125 metres north-east of the existing York Way bridge, including bridges over the Regent’s Canal and Work No. 5Q;