COLUMBUS, Ohio (WCMH) -- Four people were killed overnight Sunday on roadways in Columbus after three separate crashes. Police dispatchers reported about these various crashes that all resulted in fatalities, including one that killed two people. Each crash remains under investigation and has ca used various road closures. Latest Columbus and central Ohio traffic conditions 1:44 a.m.: Motorcyclists killed on State Route 161 Dispatchers reported a motorcyclist on SR-161 eastbound at Interstate 270 was hit by four separate vehicles. The person driving the motorcycle was killed while another motorcyclist involved in the crash was also killed. Columbus fire and police crews remained on the scene on the east side well to clean up the roadway as the scene cleared at around 7 a.m. 2:04 a.m.: One killed on Interstate 71 southbound 20 minutes after the double fatal crash on SR-161, a vehicle hit a wall on I-71 south just south of SR-161 in northeast Columbus. One person was pronounced dead in the crash but dispatch could not confirm if it was the driver that hit the wall or somebody else. As of 7 a.m., I-71 southbound lanes remain closed, including ramps from SR-161 to get onto I-71 from both directions. 3:24 a.m.: Pedestrian killed on I-71 northbound Police dispatchers told NBC4 a pedestrian was hit by a vehicle just before 3:30 a.m. on I-71 northbound near East North Broadway Street. The pedestrian was pronounced dead at the scene of the crash. I-71 northbound lanes remain closed from US Route 62 near downtown Columbus all the way past East Cooke Road on the northeast side of the city. Ramps from I-670 west and East Weber Road to get onto I-71 remain closed as well. ...read more read less