KATY, Texas – Two roadways in Katy have made the Texas A&M Transportation Institute’s (TTI) annual list of the 100 most congested roads statewide.
Key Findings
The Texas Department of Transportation (TxDOT) reports that while statewide traffic delays have decreased by 7% since 2019 due to road improvements, congestion on segments of I-10 and the Grand Parkway in Katy has worsened over the past year.
Overview of TTI Report
- The TTI evaluates congestion across 2,100 road segments, spanning approximately 10,000 miles of Texas roadways.
- Initiated by the Texas Legislature in 2009, the study addresses urban road congestion and identifies critical improvements.
- Road upgrades have saved commuters an estimated $915 million annually in time and fuel, with average drivers spending 34.5 fewer hours in traffic.
Details on Katy’s Most Congested Roads
- I-10 (Grand Parkway to North Eldridge Parkway)
- Rank: 28th statewide
- Annual delay: 3.63 million hours
- Daily volume: 256,228 vehicles
- Wasted fuel: 781,713 gallons
- Cost of congestion: $99.1 million
- Grand Parkway (South Fry Road to Morton Ranch Road)
- Rank: 61st statewide
- Annual delay: 1.48 million hours
- Daily volume: 79,684 vehicles
- Wasted fuel: 281,314 gallons
- Cost of congestion: $37.55 million
Comparative Trends
- I-10 Segment: Ranked 34th in 2023, with an annual delay of 2.92 million hours, indicating a significant rise in congestion.
- Grand Parkway Segment: Previously ranked 79th in 2023, with delays totaling 1.08 million hours annually.
Ongoing Road Improvements
Two Grand Parkway projects are underway to widen the road between I-10 and FM 1093. These $103 million projects will expand the road from four to six lanes and add a frontage road between Westheimer Parkway and Cinco Ranch Boulevard. Work began in 2023 and is expected to be completed by September 2025.
Statewide Context
- Houston-area roads dominate the rankings, with five of the top 10 most congested segments in Texas.
- The West Loop (Loop 610) retains its title as the state’s most congested road for the fourth year, costing drivers over $125 million annually.
- The Houston-The Woodlands-Sugar Land metro area accounts for 33 of Texas’ 100 most congested roads in 2024.
