Digital atlas serves up transportation infrastructure data

The Bureau of Transportation Statistics has released a CD-ROM atlas of transportation
facilities in the United States, Canada and Mexico for use in geographic information

The North American Transportation Atlas Data CD-ROM contains geographic and
infrastructure data in about 20 data sets for use by transportation planners and
researchers, said Robert A. Knisely, BTS deputy director. The data sets include
information about public use of airports, shipping ports, highway and railway networks, he

NORTAD files are compatible with MS-DOS, Microsoft Windows and Unix, Knisely said. The
data on the CD-ROM includes geography and attribute files in an ASCII text format, Knisely

For users without a GIS, BTS plans a later version that includes a data viewer that
runs under Windows NT and Windows 95, Knisely said.

Users can order a copy of NORTAD via e-mail at
The data can also be found at

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