WarHorse Gaming broke ground at the Lincoln Racecourse in Nebraska on Tuesday, marking the beginning of an 18-month construction phase. She added that the temporary casino is expected to open on September 19, at Lincoln Race Course, which is located near U.S. Lynne McNally, executive vice president of the horsemen's group, said work will include laying out and reconfiguring space in the existing simulcast wagering building and doing the wiring for gaming equipment, according to Lincoln Journal Star. Rendering for the full WarHorse Casino Lincoln The two partners are currently operating under a provisional gaming license the commission issued to them last month after they became the first entity to officially apply for a casino gaming license in the state. the economic development arm of the Winnebago Tribe of Nebraska- and the Nebraska Horsemen’s Benevolent and Protective Association. The developer targets an opening in two months. WarHorse Gaming received Thursday approval from the Nebraska Racing and Gaming Commission to begin construction on a temporary casino at the Lincoln Race Course that will have up to 300 slot machines.