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Canadian transportation policy
Gillen, David, (1990)
Texas-Mexico transborder transportation system : regulatory and infrastructure obstacles to free trade ; a report by the Texas-Mexico Transborder Transportation System Policy Research Project as part of the Program for US-Mexican Policy Studies
(1991)
The impact of air quality regulation on federal highway and transit programs, and on fuel tax collections : hearing before the Subcommittee on Investigations and Oversight of the Committee on Public Works and Transportation, House of Representatives, One Hundred First Congress, first session, November 9, 1989
(1989)