Books by Iowa. Department of Transportation. Planning and Research Division:
Books in the extended shelves:
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Iowa. Department of Transportation. Planning and Research Division: Costs of owning and operating motor vehicles in Iowa (The Dept., 1976) (page images at HathiTrust)- Iowa. Department of Transportation. Planning and Research Division: The Economic feasibility of rail diesel car passenger service in Iowa : a study for Governor Robert D. Ray (Iowa Dept. of Transportation, 1977) (page images at HathiTrust)
- Iowa. Department of Transportation. Planning and Research Division: Iowa transportation plan (Iowa Dept. of Transportation], 1976) (page images at HathiTrust)
- Iowa. Department of Transportation. Planning and Research Division: Transplan 76 : initial Iowa transportation plan : section summaries / prepared by Iowa Department of Transportation, Planning and Research Division. (The Dept., 1976), also by Iowa. Department of Transportation (page images at HathiTrust)
Find more by Iowa. Department of Transportation. Planning and Research Division at your library, or elsewhere.