1. Bus/Carpool Lanes, Route 101, Marin County—Evaluation Report;Caltrans,1977
2. Manual of traffic accident surveillance and analysis system;Caltrans,1978
3. Traffic volumes on California state highways 1979/1980/1981/1982/1983/1984/1985;Caltrans,1979
4. 1985 California State Highway Log, District 7;Caltrans,1986
5. Route 55 Newport-Costa Mesa Freeway Commuter Lane Demonstration Project: Operational Report Based on 9 Months of Use;Caltrans,1986