Traffic signal preemption (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Traffic signal preemption" in English language version.

refsWebsite

Global rank English rank

1web.archive.org

1^st place

1^st place

4,500^th place

2,822^nd place

low place

low place

bts.gov

ntl.bts.gov

"Traffic Signal Preemption for Emergency Vehicles: A Cross-cutting Study" (PDF). Federal Highway Administration. 2006. Archived from the original (PDF) on 2008-10-06. Retrieved February 13, 2019.

tech-faq.com

"How Traffic Lights Work". TECH-FAQ. Retrieved February 13, 2019.

web.archive.org

"Traffic Signal Preemption for Emergency Vehicles: A Cross-cutting Study" (PDF). Federal Highway Administration. 2006. Archived from the original (PDF) on 2008-10-06. Retrieved February 13, 2019.