Interstate Highways of the U.S. [inddmmyy]

Description	Valid Date		Size (bytes)
Interstate Highways	15 October 2003	Download Compressed Shapefile	657,061	Change Log	Metadata

File Specifications:

Naming Convention: inddmmyy .shp/.shx/.dbf - where .shp, .shx, .dbf are the extensions of the 3 component files of the shapefile.
Shapefile Type: polyline
Source: USGS National Atlas of the U.S., Map Data Layers Warehouse
Last Modified: 15 October 2003

File Suffix size (bytes)

*.dbf 2,114,942

*.shp 1,667,444

*.shx 82,628

File Suffix	size (bytes)
*.dbf	2,114,942
*.shp	1,667,444
*.shx	82,628

Attributes:

# records: 10267

field name	type	width,dec	description
FEATURE	character	80	Type of Road
ROUTE	character	120	Road Designation(s) (if any)
STATE_FIPS	character	2	State Fips Code
STATE	character	2	State Abbreviation

Comments: This shapefile is identical to that in the USGS National Atlas with the following exceptions:
Storage type is zip
Retained only those attributes shown above
Interstate and Limited Access Highways extracted from the USGS set are in this shapefile. In addition several non interstates were added to the data set to retain compatability with the original AWIPS road data set. See the Change Log for details.
Road names have been abbreviated according to the following table:

Original Type Abbreviated Type

Interstate I-

US Route US

State Route SR

Alternate Alt

Bypass Bp

Business Bus

National Weather Service
Office of Science and Technology
Webmaster: Ira Graffman
http://www.nws.noaa.gov/geodata/catalog/transportation/html/interst.htm
Page last modified: 15 October 2003

Disclaimer Privacy Notice

Original Type	Abbreviated Type
Interstate	I-
US Route	US
State Route	SR
Alternate	Alt
Bypass	Bp
Business	Bus


National Weather Service Office of Science and Technology Webmaster: Ira Graffman http://www.nws.noaa.gov/geodata/catalog/transportation/html/interst.htm Page last modified: 15 October 2003	Disclaimer	Privacy Notice