1. American Association of State Highway and Transportation Officials (AASHTO) (2004) A policy on geometric design of highways and streets (The Green Book), 5th Edn, Association of State Highway Transportation Officials.
http://downloads.transportation.org/aashto_catalog.pdf
2. (2004) Discussion Paper No. 8. A stopping sight distance and decision sight distance, prepared for Oregon Department of Transportation, Salem, Oregon by the Kiewit Center for Infrastructure and Transportation, Oregon State University Corvallis, Oregon Sept 2004
3. Gulland WC (2004) Methods of determining safety integrity level (SIL) Requirements – Pros and Cons, April 2004
4. IEEE (2006) Trial-use standard for wireless access in vehicular environments (WAVE) – Multi-channel operation (IEEE 1609.3)
5. United Stated Department of Transportation (2009) Final Report: Vehicle infrastructure integration proof of concept results and findings summary –vehicle, United Stated Department of Transportation, FHWA – JPO-09-043