Lancashire four universities: Lancaster University, the University of Central Lancashire, Edge Hill University and the Lancaster campus of the University of Cumbria. Seven colleges offer higher education courses. The Lancashire economy relies strongly on the M6 motorway which runs from north to south, past Lancaster and Preston. The M55 connects Preston to Blackpool and is 11.5 miles (18.3 km) long. The M65 motorway from Colne, connects Burnley, Accrington, Blackburn to Preston. The M61 from Preston via Chorley and the M66 starting inside the county boundary near Edenfield, provide links between Lancashire and Manchester] and the trans-Pennine M62. The M58 crosses the
M6 motorway (Ireland) initially opened as dual-carriageway and previously formed part of the N6, while other sections were opened as motorway. In chronological order, the various sections opened as follows (status on opening in brackets): From 24 September 2008, motorway regulations were applied from Kinnegad to the eastern end of the Athlone bypass. The Kinnegad-Athlone scheme was signed as a motorway (and numbered "M6"). Its road markings were already appropriate to a motorway prior to the change in designation coming into effect; however, motorway regulations were not in force and the speed limit was 100 km/h until 24 September of that year. Construction