https://ftp://ftp.dot.state.tx.us/pub/txdot-info/library/pubs/gov/shsp.pdf
Countermeasures That Work
https://www.nhtsa.gov/sites/nhtsa.dot.gov/files/812202-countermeasuresthatwork8th.pdf
Transportation Research Information Systems (TRIS)
http://www.trb.org/InformationServices/InformationServices.aspx
FHWA Proven Safety Countermeasures
https://safety.fhwa.dot.gov/provencountermeasures/
Driven to Distraction
https://texasshsp.com/wp-content/uploads/2017/02/DriventoDistraction_Nelson-NO-vids.pdf