I-75 northbound at E. Elm Ave. will re-opened about 3:25 p.m. today. The highway was closed because of a chain-reaction crash involving multiple vehicles about 11:50 a.m. today. No one was injured, although two of the vehicles involved sustained heavy damage, Monroe Police Department reported. Because of the impact, all northbound lanes were closed at Exit 14, Elm Ave. Over three hours later, the Michigan Department of Transportation still listed the road as closed. Traffic maps showed a standstill on 75 starting at Exit 11, LaPlaisance Road. Heavy traffic resulted on M-125 and US-24 as motorists sought detours through Monroe. The scenario involved two separate crashes with three semi trucks, one box truck, one SUV and one passenger vehicle, according to Monroe Police. Officers learned that vehicles were merging in the area because of road construction further north on the highway. The first collision happened when a driver of a sport-utility vehicle was not able to stop in time while merging and rear-ended a tractor-trailer. A semi-truck behind the SUV stopped before making contact; but that semi was hit from behind by a Ryder box truck. The box truck was then struck in the rear by another semi truck; which in turn, was rear-ended by a passenger vehicle. One of the involved semi trucks leaked oil and other fluids onto the highway, “causing further dangerous conditions,” officers reported. MDOT, Monroe County Road Commission, Jim’s Towing, Star Towing, Monroe Fire Department and Monroe Community Ambulance also responded to the scene. Both the SUV driver and the box truck driver were cited with failure to stop in an assured clear distance accident, Monroe Police reported. Anyone with information that can help in the investigation is asked to contact Monroe Police Department.