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TXDOT - Route ID Naming Structure

This article breaks down the naming convention used by TXDOT for Route ID fields in Numetric.

Lauren Miller avatar
Written by Lauren Miller
Updated yesterday

Prefix:

  • BF - Business Farm to Market Road

  • BI - Business Interstate Highway

  • BS - Business State Highway

  • BU - Business US Highway

  • FM - Farm to Market Road

  • FS - Farm to Market Road Spur

  • IH - Interstate Highway

  • PA - Principal Arterial Street System

  • PR - Park Road

  • RE - Recreational Road

  • RM - Ranch to Market Road

  • RR - Ranch Road

  • RS - Ranch to Market Road Spur

  • SH - State Highway

  • SL - State Highway Loop

  • SS - State Highway Spur

  • UA - US Alternate

  • UP - US Highway Spur

  • US - US Highway

Roadway Name:

  • The middle of the Route ID is the roadway name.

Suffix:

  • AG = Right Frontage Road

  • BG = Right Supplemental Frontage Road

  • GS = Grade Separated Connector

  • KG = Centerline / Single Roadbed

  • LG = Left Roadbed

  • MG = Left Supplemental Mainlane

  • PG = Left Supplemental Supplemental Mainlane

  • RG = Right Roadbed

  • SG = Right Supplemental Mainlane

  • TG = Right Supplemental Supplemental Mainlane

  • XG = Left Frontage Road

  • YG = Left Supplemental Frontage Road

  • NG = Left Managed Lane

  • OG = Left Supplemental Managed Lane

  • UG = Right Managed Lane

  • VG = Right Supplemental Managed Lane

Example of Texas DOT Route ID:

FM0043-KG

IH0010-KG

IH0035E-KG

SH0016-KG

Note: Off-system roadways may not follow the TXDOT Route ID structure.

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