The state scenic highway system shall also include:
Route 198 from:
Route 210 from:
Route 215 from Route 74 near Romoland to Route 74 near Perris.
Route 251 from Route 37 near Nicasio to Route 1 near Point Reyes Station.
Route 280 from Route 17 in Santa Clara County to Route 80 near First Street in San Francisco.
Route 299 from:
Route 395 from Route 14 near Little Lake to Route 89 near Coleville.
Route 580 from Route 5 southwest of Vernalis to Route 80.
Route 680 from the Santa Clara-Alameda county line to Route 24 in Walnut Creek.
Ca. Sts. and High. Code § 263.8