All mainlanes on SH-99 northbound at Cypress Rosehill are blocked following a crash verified at 4:50 PM on Friday, October 16, 2026, according to Houston TranStar.
The freeway segment in Harris County remains affected. Responding officers are working the scene.
This location has seen 123 crashes since January 2020, per TxDOT CRIS public crash records. Contributing factors as recorded by the investigating officer, per TxDOT CRIS, show "Failed To Control Speed" as the leading factor, cited in 38 crashes at the corridor. The hit-and-run rate here stands at 6.0% across those years.
Check Houston TranStar for real-time updates and expected clearing time.
Sources: TxDOT Crash Records Information System and Local Traffic Accidents database. Counts through October 16, 2026.
SH-99 Lanier/Grand Pkwy - North Eastbound at Cypress Rosehill
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.