erc:
who: Texas. Department of Transportation.
what: Transportation News, Volume 34, Number 2, March/April 2009
when: 20090400
where: https://texashistory.unt.edu/ark:/67531/metapth307500/
erc-support:
who: University of North Texas Libraries
what: Permanent: Stable Content:
when: 20081203
where: https://texashistory.unt.edu/ark:/67531/