Park City’s population and visits are growing as are Park City businesses. Yet from those major highways, there are only two entry points into Park City, S.R. The ski base areas at Park City, Canyons and Deer Valley Snow Park all have parking for cars. 3 – Reconfigure Bonanza Drive: Bonanza Drive is a critical chokepoint between S.R. 248 and Bonanza Drive is one of the worst intersections in Park City.