A crash shut down four lanes of I-45 northbound at Cypresswood Drive and Holzwarth at 7:17 AM on Wednesday, October 14. The right shoulder, right lane, and both center lanes are blocked.
Authorities are on scene. Drivers heading north should expect major delays or use alternate routes—Hardy Toll Road, SH-249 northwest, or local streets via Airline Drive are your best bets.
This corridor has seen 9 crashes in the past 30 days, with 5 rated as major, according to LocalTrafficAccidents.com data. Over the past 90 days, 34 crashes occurred here. The stretch near Cypresswood and Holzwarth has logged 38 total crashes in the past 12 months, with 25 classified as major.
Wednesday is historically the busiest day at this location—7 crashes recorded here in the past 90 days fell on a Wednesday. The 4–5 PM hour is typically the single busiest window, though crashes here occur throughout the day rather than clustering in one narrow band.
Check back for updates as the scene clears.
Sources: TxDOT Crash Records Information System and Local Traffic Accidents database. Counts through October 14, 2026.
IH-45 North Northbound at Cypresswood Dr/Holzwarth
Harris County, Texas
This report was produced by LTA's editor-designed production system under the executive editorial direction of Dennis R. Mundy, Executive Editor. The system combines our proprietary data pipeline with AI-assisted drafting to deliver verified incident coverage to LTA's editorial standards.