In-depth study reports from the World survey of current research and development on roads and road transport / conducted by the International Road Federation in cooperation with the U.S. Department of Transport, Federal Highway Administration

In Copyright

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Reason for copyright status:

Until 2043 [Created/Published Date + 70 Years]

Copyright status was determined using the following information:

Material type:

Literary, dramatic or musical work

Published status:

Published

Publication date:

1973

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