1.0 DCPLUS 20250430 13063800 20250523 13063800 https://www.arcgis.com/sharing/rest/content/items/d2920279cb83443a91e386d113a16b0f/info/thumbnail/ago_downloaded.png https://www.arcgis.com/home/item.html?id=d2920279cb83443a91e386d113a16b0f d2920279cb83443a91e386d113a16b0f CSV https://www.arcgis.com/sharing/rest/content/items/d2920279cb83443a91e386d113a16b0f/data TxDOT Highway Designation Files Highway DesignationsTxDOTTPP This CSV layer and hosted table contains the current Highway Designation File data for TxDOT. Each entry records the route name, highway designation file title, description, and certified centerline mileage for mainlanes and frontages on each route. <span style='font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px; max-width:100%; display:inherit;'>This CSV layer and hosted table contains the current Highway Designation File data for TxDOT. </span><span style='font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px; max-width:100%; display:inherit;'><br /></span><span style='font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px; max-width:100%; display:inherit;'>Highway Designation Files (HDFs) provide a description of proposed changes to the state highway system. A “designation” is the unique combination of a route's name and its intended path. Proposed changes include new designations and any changes to existing designations. Such changes are approved by the  Texas Transportation Commission and are officially documented on Minute Orders. Highway Designation Files use language from the Minute Orders to provide a brief overview of the proposed changes. The data that flows into the Highway Designation Files comes from a collection of HTML files created, updated, and managed by TPP. </span><span style='font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px; max-width:100%; display:inherit;'><br /></span><span style='font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px; max-width:100%; display:inherit;'>The centerline mileage data comes from the 2023 roadway inventory data. </span> TxDOT - Transportation Planning & Programming - Data Management <div style='box-sizing:border-box; width:1020px; max-width:68vw; padding-left:0.5rem; padding-right:0.5rem; margin-top:1.5rem; margin-bottom:3rem; margin-right:59px; font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px;'><div><div style='margin-bottom:3rem;'><div><div style='overflow:auto; padding-bottom:0.375rem; max-width:100%; display:inherit;'>Copyright 2025. Texas Department of Transportation. This data was produced for internal use and is provided for informational purposes only, and is subject to change. TxDOT makes no warranty of any kind as to the accuracy or validity of the data provided. GIS content and data provided is the property of TxDOT and may not be used for commercial purposes or resold. Distribution of this content to third parties without TxDOT's written consent is strictly prohibited.</div></div></div></div><div></div></div><div style='box-sizing:border-box; width:360px; max-width:24vw; padding-left:0.5rem; padding-right:0.5rem; margin-top:1.5rem; margin-bottom:3rem; font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px;'><section style='display:inherit; box-sizing:border-box; width:360px; max-width:24vw; padding-left:0.5rem; padding-right:0.5rem; font-size:0.9375rem; line-height:1.46; margin-left:-0.5rem; margin-right:-0.5rem;'></section></div> 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