sentences:  Washington State Route 538
  
  State Route 538 (SR 538, alternatively named College Way) is a long state highway located within the northern area of Mount Vernon city limits and the urban growth boundary, located in Skagit County, a subdivision of the U.S. state of Washington.The highway, which has existed as a county road since 1911, travels from (I-5) in the west, passing former (US 99), now Riverside Drive, and Skagit Valley College's main Mount Vernon campus before terminating at a roundabout with .