sentences:  The route comes to an end at the Washington Avenue intersection with Las Vegas Boulevard (former SR 604).Located at the intersection of SR 578's eastern terminus are the Grant Sawyer Building (a southern Nevada state office complex), Cashman Center and Cashman Field (home to the Las Vegas Lights FC soccer team) and the Old Las Vegas Mormon Fort State Historic Park (the first permanent settlement in the Las Vegas area).SR 578 was established in the 1976 renumbering of Nevada's state highways.