sentences:  The road starts to the east of Manchester at the end of the M67 motorway and A57 road.It passes through Mottram in Longdendale, Hollingworth and Tintwistle and then through Longdendale and the Peak District National Park to Crowden and Salter's Brook Bridge where the road leaves Derbyshire and enters Barnsley Metropolitan Borough.From its summit the road descends through Millhouse Green, Thurlstone, around Penistone before joining the M1 motorway at Junction 37.