Update
Tulsa police re-opened Highway 169 for southbound traffic just before 6 a.m. Tuesday.Tulsa police are investigating a fatal motorcycle crash on the Mingo Valley Expressway near the 71st Street exit.
We're told that the driver of a black Ford F-150 pickup truck called 911 and told dispatchers that the motorcycle had hit him from behind while he was driving southbound on Highway 169 at about 2:28 a.m. Tuesday.
Police shut down all southbound traffic on Highway 169 near the scene during the investigation which can be expected to last for at least two hours.