Forecasted (future) congestion on Texas roadways as identified by TxDOT's "Car Space" analysis model.  Forecast for 2039 based on 2019 data.
<p style='mso-margin-bottom-alt:auto;line-height:normal;
background:white'><span style='font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;
mso-fareast-font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:Arial;
color:#4C4C4C'>Quantifying and communicating congestion on highways and local
streets in Texas is challenging.  A clear, replicable, and easily
understandable method is required to help manage, score, and evaluate planned
projects in the Transportation Planning and Programming Division.</span><span style='font-size:13.0pt;mso-fareast-font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:
Arial;color:#4C4C4C'></span></p>

<p style='mso-margin-bottom-alt:auto;line-height:normal;
background:white'><span style='font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;mso-fareast-font-family:
&quot;Times New Roman&quot;;mso-bidi-font-family:Arial;color:#4C4C4C'>This congestion
calculation was performed using a method created by TxDOT referred to as the
‘Car Space’ method. This method differs from other, more traditional methods,
by determining the space between cars in one mile increments.  This method
factors number of lanes, Annual Average Daily Traffic (AADT), and average car
length to calculate the space remaining between vehicles for each 1 mile
segment of roadway during the 26th peak hour. The calculated space between
cars, or lack thereof, is categorized to illustrate levels of
congestion.  </span><span style='mso-fareast-font-family:&quot;Times New Roman&quot;;
mso-bidi-font-family:Arial;color:#4C4C4C'></span></p>

<ul>
 <li><span style='font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;
     mso-fareast-font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:Arial'>Congested
     = less than 175' between cars</span></li>
 <li><span style='font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;
     mso-fareast-font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:Arial'>Moderately
     Congested = between 175' and 350' between cars</span></li>
 <li><span style='font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;
     mso-fareast-font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:Arial'>Not
     Congested = greater than 350' between cars</span></li>
</ul>Security Level: Public
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