News
I-45 Construction Projects Affecting Traffic to Galveston

Check Live Cameras and Maps
Use the following links to check live traffic maps and cameras affecting traffic flow to and from Galveston Island.
Check Live Cameras and Maps
Use the following links to check live traffic maps and cameras affecting traffic flow to and from Galveston Island.
The Texas Department of Transportation (TxDOT) is spearheading a transformative project to reconstruct and widen Interstate 45 (I-45) from Farm-to-Market Road (FM) 1764 to the Galveston Causeway in Galveston County, Texas. This initiative is designed to enhance safety, reduce traffic congestion, and improve evacuation routes during severe weather events.
Scope and Timeline of the I-45 Expansion Project
The project includes significant improvements aimed at modernizing one of Texas’s busiest corridors:
- Widening I-45: Expansion from a six-lane to an eight-lane interstate, providing four lanes in each direction.
- Frontage Roads Reconstruction: Frontage roads will be upgraded to include four 12-foot lanes (two in each direction) with accommodations for cyclists.
- Interchange Reconstruction: Overhauling the I-45/State Highway (SH) 146/SH 6 Interchange at the Texas City Wye.
- Detention Ponds: Construction of six new detention ponds to improve drainage and minimize flooding risks.
Project Segments and Timelines
- FM 1764 to FM 519: Construction began in Fall 2019, focusing on widening lanes, reconstructing overpasses, and improving drainage systems to reduce flooding.
- FM 519 to Texas City Wye: Work commenced in Winter 2020, including major upgrades to frontage roads, additional lanes, and enhanced entrance and exit ramps.
- Texas City Wye to Galveston Causeway: Construction started in Fall 2020, focusing on the SH 6 interchange, expanding main lanes, and adding detention ponds.
The project is expected to be completed by Summer 2028.
Key Benefits of the I-45 Expansion
- Enhanced Safety: Upgrading to modern engineering standards will significantly reduce accident risks.
- Improved Traffic Flow: Adding lanes will alleviate congestion, ensuring smoother daily commutes.
- Better Evacuation Routes: The widened highway will support faster evacuations during hurricanes and other emergencies.
How Will This Impact Drivers?
Galveston Island
Although the project does not extend into Galveston Island, drivers should expect changes in traffic flow near the Galveston Causeway. Periodic congestion may occur, particularly during peak travel times. TxDOT will provide updates on any traffic disruptions impacting access to the island.
Tiki Island
The project includes the demolition of the existing I-45 bridge near Tiki Island and the construction of a new northbound bridge. This upgrade will improve structural integrity and increase traffic capacity. Drivers can expect temporary lane closures and detours during this phase. TxDOT will release detailed schedules and recommended alternative routes to minimize disruptions for Tiki Island residents and frequent travelers.
Lane Closures and Detours
TxDOT will implement temporary lane closures and detours throughout the construction process. Real-time updates will be available via official channels to ensure drivers can plan their routes effectively.
Recommendations for Commuters
- Stay Informed: Regularly visit TxDOT’s official website and follow local news outlets for construction updates.
- Plan Alternative Routes: Identify detours ahead of time to avoid delays.
- Allocate Extra Travel Time: Anticipate construction-related delays and plan accordingly.
Essential Resources for Real-Time Traffic Updates
- TxDOT Project Tracker: Stay updated on all major construction projects in Texas.
- Houston TranStar Traffic Map: Access live traffic maps and lane closure information.
- Galveston County Transportation: Local updates and transportation resources.
By staying informed and planning ahead, drivers can navigate construction zones safely and contribute to the success of this critical infrastructure project.


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