"Publication no. FHWA-HIF-19-088"
"September 2019 (with errata September 2020)."
"Authors: Ronnie Medlock [and three others]"--Technical report documentation page.
Final report; August 2017 to August 2019.
Description based on online resource, PDF version; title from cover (FHWA, viewed Oct. 25, 2021).