Work No. 2B—U.K.A railway (255 metres in length) commencing by a junction with the railway (Work No. 2) in tunnel at the said point beneath the existing Midland Main Line 250 metres south of the southern abutment of the bridge carrying that railway over Camley Street, passing in tunnel northwards on the eastern side of Work No. 2 beneath the railways (Works Nos. 1A, 1B, 1C and 1D) and terminating in tunnel at a point beneath the realigned Camley Street (Work No. 5A) 150 metres south-east of the southern abutment of the existing bridge over the Regent’s Canal;