Input (grade 8): Highway 10 was built in 1953, and Highway 15 in 1957. In 1964, the provincial government completed Highway 401 and the Port Mann Bridge; that section of roadway would later be renamed Highway 1.
Output (grade 8): Six highways run through Surrey, Highway 10, Highway 99, Highway 99A, Highway 15, Highway 1, and Highway 1A.