Oklahoma Enabling Act as the State's temporary capital was challenged in court after Oklahoma City, Oklahoma won the election and the capital was moved prematurely. "Coyle v. Smith" was the US Supreme Court Case that helped define the equal footing doctrine. On December 29, 1910, the state of Oklahoma enacted a statute which removed the state capital from Guthrie to Oklahoma City. W.H. Coyle, owner of large property interests in Guthrie, sued the state of Oklahoma, arguing that the move was performed in violation of the state constitution's acceptance of the terms of Congress's enabling act. The power given to Congress by Art.
Oklahoma State Highway 99 become a U.S. Route, while another suggested a northern terminus at US-64 near Cleveland. On June 18, 1964, AASHTO accepted an extension of US-377 from Texas to US-70 in Madill. The Department of Highways, and later the Department of Transportation, submitted an application to extend US-377 from Madill to US-64 in Cleveland eight times between December 1964 and 1980. In 1991, ODOT signed the route to Stroud along SH-99 without AASHTO approval. SH-99 has two lettered spurs: Oklahoma State Highway 99 State Highway 99, abbreviated SH-99, is a north–south state highway through central Oklahoma. It runs from the Texas border