Officials with Schneider's firm, Fourth River Development, have confirmed his death but say few details about his accident in western Maryland are known. Schneider was on a bicycle trip with his son, Max, when he had an accident near Thurmont, Md. on Saturday. Schneider died at the University of Maryland Shock Trauma Center in Baltimore on Sunday afternoon.
Schneider pushed for the stadium development as chairman of the city-county Sports & Exhibition Authority and is well-known for his work on other landscape-changing projects in Pittsburgh including Summerset, an upscale housing development built on a former slag heap.
Funeral arrangements are incomplete.