Here are the latest updates on four transportation projects happening near Tomball and Magnolia.

Ongoing projects

1. FM 1488 widening west of Magnolia


Project: Between the Waller County line and FM 1774, FM 1488 is being widened from two to four lanes with a continuous left-turn lane.

Update: According to a Nov. 1 media update from the Texas Department of Transportation, this project is 91% completed.
  • Timeline: November 2020-fourth quarter 2024
  • Cost: $35.35 million
  • Funding source: state funds
2. FM 1488 widening through Magnolia


Project: FM 1488 is being widened from two to four lanes with a continuous left-turn lane between FM 1774 and west of FM 149 in Magnolia.

Update: This project is 53% completed, according to a Nov. 1 media update from TxDOT.
  • Timeline: June 2022-first quarter 2025
  • Cost: $48.28 million
  • Funding source: state funds
3. Hwy. 242 widening

Project: TxDOT is using existing right of way to restripe the intersections and widen Hwy. 242 between FM 1488 and I-45.

Update: According to a Nov. 1 media update from TxDOT, this project is 37% complete.
  • Timeline: October 2023-first quarter 2026
  • Cost: $29.11 million
  • Funding sources: federal, state funds
Upcoming projects


4. Eastbound flyover construction on Hwy. 242

Project: Montgomery County commissioners and TxDOT are funding the construction of a flyover from northbound I-45 to eastbound Hwy. 242.

Update: According to the TxDOT project tracker, the project was given notice to proceed on Oct. 2 and an estimated completion date was given for Sept. 15, 2026. A date to begin work was not specified as of Nov. 27.
  • Timeline: late 2024-September 2026
  • Cost: $19.1 million
  • Funding sources: Montgomery County, federal funds