All lanes of the westbound Queen Elizabeth Way, just past Guelph Line in Burlington, are closed following a two-vehicle crash involving a dump truck. The collision, which Ontario Provincial Police (OPP) are describing as serious, happened at 12:45 p.m. near the on-ramp. Police say a sedan and a truck collided, resulting in numerous injuries. They say two occupants in the sedan were transported to a local trauma centre with serious injuries, while two other occupants of that vehicle were taken to local hospital with minor injuries. The driver of the dump truck was also transported to a local hospital with minor injuries. The highway is expected to be closed until about 5:30 p.m. Motorists are being advised to expect delays in that area. The OPP’s Traffic Support Unit is now on scene investigating.