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Note: Please do not use download programs or plugins that establish multiple connections to download files. Download all files to a local directory before trying to run any executables. If you have problems downloading files from this site, please contact the IHSDM Technical Support staff at or or 202-493-3407. Support is provided weekdays during normal business hours (U.S. Eastern time) except for Federal government holidays.

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Developed for the Interactive Highway Safety Design Model (IHSDM) program at the U.S. Department of Transportation Federal Highway Administration (FHWA).
Contract No. DTFH61-08-F-00118
Please direct your comments about this web site to Peter Holm at or 719-599-1695.
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Document generated March 5, 2018.