1. AASHTO, 2011. A Policy on Geometric Design of Highways and Streets, fifth edition. Washington, D.C.: AASHTO. Washington, D.C. USA. xliv + 1006 pp.
2. FHWA, 2013. Traffic Analysis Module Engineer's Manual. Federal Highway Administration. Office of Safety Research and Development, Turner-Fairbank Highway Research Center, McLean, VA. September.
3. Investigation of performance and lane utilization within a passing lane on a two lane rural highway;Freedman;International Journal for Traffic and Transport Engineering,2013
4. Generalitat Valenciana, 2010. Puesta en servicio de la CV13 entre la CV10 (Benlloch) y la AP7 (Torreblanca). Conselleria D́Infraestructures I Transport. Valencia, España.
5. Harwood, D.W., St. John, A.D., 1986. Operational effectiveness of passing lanes on two-lane highways. Report N° FHWA/RD-86/196. Federal Highway Administration. April.