The Memorial Hermann IRONMAN Texas event will bring significant traffic impacts across The Woodlands area on Saturday, April 18. Multiple major roadways will have lane reductions, closures and detours throughout the day, beginning as early as 5 a.m. and lasting into the evening.
Residents, visitors and businesses should plan ahead, expect delays and consider alternate routes when traveling through impacted areas. For questions and additional traffic related information residents may call the IRONMAN Traffic Impact Hotline at 509-713-2742.
Areas with Greatest Impact
The following corridors will experience the heaviest congestion and longest delays:
Grogan's Mill Road
- Northbound from Woodlands Parkway to Timberloch Place
- Impacted all day until 6:30 p.m.
- Northbound from Sawdust Road to Woodlands Parkway
- 11 a.m. to 6:30 p.m.
- Southbound from Timberloch Place to Sawmill Road
- 7 a.m. to 11 a.m.
- All intersections between Timberloch Place and Sawmill Road
- Impacted until 6:30 p.m.
Sawdust Road
- From Sawmill Road to Grogan’s Mill intersection
- 7 a.m. to 6 p.m.
Woodlands Parkway (Eastbound)
- From John Cooper Drive to Grogan’s Mill Road
- Reduced to one lane until approximately noon
- Intersections from John Cooper Drive/Cochran’s Crossing to Grogan’s Mill
- Impacted until approximately noon
Lake Woodlands Drive
- Eastbound from Lakeside Boulevard to Grogan’s Mill Road
- Impacted until approximately 11 a.m.
Complete Road Closures
Some roadways will be fully closed or heavily restricted:
Hardy Tollway (southbound lanes)
- Closed Friday, April 17 at 10 p.m.
- Reopens Saturday, April 18 at 6 p.m.
Waterway Avenue
- Closed from Lake Robbins Drive to Timberloch Place
- Beginning Friday, April 17 through midnight Saturday, April 18
Run Course Impacts
As the run course begins late morning, additional closures will extend into the evening:
Lake Woodlands Drive at E. Panther Creek
- 11:10 a.m. to 11 p.m.
Woodlands Parkway at E. Panther Creek
- 11:15 a.m. to 11:30 p.m.
Woodlands Parkway at Lake Front Circle
- 11:30 a.m. to 11:45 p.m.
Timberloch at Woodloch Forest
- 11:45 a.m. to midnight
Ongoing Lane Closures Throughout the Day
Drivers should expect rolling closures and reduced lanes across multiple roadways, including:
- Lake Robbins Drive and Six Pines Drive area
- Timberloch Place and Grogan’s Mill Road
- I-45 service roads and nearby connectors
- Springwoods Village, Grand Parkway and Hardy Toll Road connections
- Sawdust Road, Sawmill Road and Budde Road corridors
Closures begin as early as 5 a.m. and may last until 6:30 p.m. or later, depending on the location.
Questions or Real-Time Updates
IRONMAN Traffic Hotline: 509-713-2742
