Section 5216.3.
Cal. Business and Professions Code - BPC § 5216.3.
in effect“Main-traveled way” is the traveled way of a highway on which through traffic is carried. In the case of a divided highway, the traveled way of each of the separate roadways for traffic in opposite directions is a main-traveled way. Main-traveled way does not include facilities such as frontage roads, ramps, auxiliary lanes, parking areas, or shoulders.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026
