A MAJOR motorway used by 180,000 drivers every day is set to close lanes at times for three weeks with diversion routes in place. The M602 near Eccles, Greater Manchester, will undergo overnight "essential" barrier repairs throughout late January and into February. An update from Highways North West read: "We’re carrying out essential safety barrier improvements on the M602 between junction 2 (Eccles) and 3 (Ordsall). "Our work involves replacing sections of safety barrier in the central reservation and along the roadside in both directions. "We’ll work overnight Monday to Friday and occasionally Saturday, from 9pm to 5am (extended to 7am on weekends)."