 Oldham is about 4 miles ( 6 @.@ 4 km ) south of the major <unk> motorway , but is linked to it by the <unk> at Hollinwood , and <unk> ( M ) via Chadderton . There are major A roads to Ashton @-@ under @-@ Lyne , Huddersfield , Manchester , and Rochdale . 
