HSM21 Warburton To Lowton

Warburton to M62

The route section from Warburton to Lowton would be 12.1km long. The section of route connecting to Warburton from the south would be HSM12 from Winterbottom and HSM30 from Rostherne.

The design speed would be 360kph (223mph) then reducing to 300kph (186mph). The speed results from the design required to pass over the Manchester Ship Canal between Hollins Green and Cadishead, the landfill site at Risley, the west side of Culcheth and the route through Lowton on the line of the dismantled railway.

The route would be at ground level and then pass into a cutting with a maximum depth of 9m passing between Mossbrow and Warburton. The A6144 would be realigned to the north on a bridge over the route. The B5160 would be extended to connect to it.

The route continues on embankment for the next 3.6km reducing in height from the viaduct and an area of peat. Works to maintain the groundwater regime, including during the removal of peat, would be required during construction. The route would cross over Dam Head Lane the Manchester to Warrington railway and the M62

M62 to Lowton

The route would pass through the north-east corner of the Risley landfill site at ground level and then pass into a cutting for 2.6km with a maximum depth of 8m. The route passes through the Taylor Industrial Estate. New Hall Lane would be closed and the A574 realigned onto a bridge over the route. The route passes west of Culcheth in a cutting between 6m and 8m deep to limit noise and visual impact. Wigshaw Lane would cross over the route on a bridge at the location of the dismantled railway.

The route then runs at ground level for 700m before passing into a cutting with a maximum depth of 8m. The route would cross over the Liverpool to Manchester railway. Wilton Lane would be realigned onto a bridge over the route. The A580 would cross over the route on a bridge.

At Lowton the route would continue along section HSM22 to connect to the West Coast Main Line at Bamfurlong.

Information taken from HS2 Phase two engineering options report West Midlands to Manchester part 1

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