A road, forming a diversion of York Way, commencing at a point in that road 80 metres north of the junction of Copenhagen Street with York Way, passing northwards then north-westwards over the railway (Work No. 3E) and the railways (Works Nos. 2AA and 2BB) in tunnel, then northwards under the railways (Works Nos. 1AA, 1BB, 1CC, 1DD and 1JJ) to a junction with the new road (Work No. 5EE), then continuing northwards under the North London Line and terminating at a point in York Way 10 metres north-west of the junction of Vale Royal with York Way;