Digital Data Tabular Files
Tabular files typically list street related information (such as street name)
in a flat file which is space or comma delimited, suitable for importing into a
database application. Several standard tabular file formats are available.
Street Block Indexes
Street Name Indexes are the digital
version of the street indexes printed in the back of every Thomas
Guide street map book. Every street listed in the Thomas Guide
is included in the Street Name Indexes. Each record includes
street name, city/community, and Thomas Bros. Maps Page and Grid™ .
Some counties also include street block addresses and ZIP Codes.
Please see the particular Thomas Guide of interest to see which
data elements are included in the file.
- Street name - County/left
- Address/left/from - County/right
- Address/left/to - ZIP/left
- Address/right/from - ZIP/right
- Address/right/to - Census tract/left
- City/left - Census tract/right
- City/right - Thomas Guide Page No.
- Thomas Guide Grid No.
Standard Geofile
The Standard Geofile has the same data
elements as the Street Block Index, along with an X/Y earth coordinate
of the midpoint of each street block.
Dispatch Files
Thomas Bros. Maps offers high quality dispatch
files, used in public safety, transportation, and routing applications.
Dispatch Files include street segment data (all the data included
in Thomas Bros. Maps Standard Geofile product, along with both
low and high X/Y coordinates), and low/high cross street names.
Common Place Files
Common Place Files are the Points
of Interest index published in every Thomas Guide. In counties
which have been converted to Thomas Bros. Maps Digital Mapping
System, the records also include an X/Y earth coordinate.
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