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The computer files on this CD-ROM were prepared by the U.S. Geological Survey (USGS) in cooperation with the Federal Highway Administration (FHWA); both are agencies of the U.S. Government. This information was compiled for quantitative analysis of available data on a national and(or) regional scale. Although the information, metadata, and computer files have been subjected to rigorous review and are substantially complete and accurate, this information is presented without warranty, expressed or implied, as to accuracy or completeness. The USGS and the FHWA reserve the right to revise the software and the data pursuant to further analysis and review. These data and the software on the CD-ROM have been used by the USGS, and are released on condition that the USGS, the FHWA, or the U.S. Government may not be held liable for any damages resulting from their use. The use of trade or product names on this computer disk is for identification purposes only and does not constitute endorsement by the U.S. Government.

The user assumes all risk for any damages whatsoever resulting from loss of use, data, or profits arising in connection with the access, use, quality, or performance of this software.

Please read the information on the copyright and license page.