Section 338 Of Article 3. The State Highway Routes From California Streets And Highways Code >> Division 1. >> Chapter 2. >> Article 3.

. Route 38 is from:
  (a) Route 10 near Redlands to Route 18 near Baldwin Lake via Barton Flats.
  (b) Route 18 near Baldwin Lake along the north side of Big Bear Lake to Route 18 near the west end of Big Bear Lake.