Major Crash on I-45 Southbound Near Downtown Houston — Friday, April 03, 2026

A major crash brought southbound traffic to a crawl on I-45 near the entrance ramp just after 3 a.m. Friday morning, April 03, 2026. Houston Police Department responded to the collision at 2:58 AM at the I-45 southbound feeder near S IH 45 IB entrance ramp. The incident was classified as non-fatal but major, blocking multiple lanes during the early morning hours when many overnight workers and third-shift commuters use the corridor.

The timing of this crash—just before the pre-dawn commute begins—could create serious backup for drivers heading south through Downtown Houston toward Pasadena and the refineries beyond. Early morning traffic on I-45 southbound typically picks up around 4 a.m., meaning this incident was poised to impact the tail end of the graveyard shift and the beginning of the standard morning commute. Drivers affected by the closure should consider taking the I-610 westbound loop to US-59 southbound as an alternate route, or use local feeder roads to bypass the affected stretch entirely.

This section of I-45 southbound has become a persistent trouble spot in Harris County. According to incident data from the past 30 days, the corridor at this specific location has recorded 35 major crashes out of 90 total incidents—a concerning collision rate that underscores the challenges drivers face navigating this busy stretch near Downtown. The entrance ramp merge point has historically created bottlenecks where speed differential between merging and through traffic can trigger secondary collisions.

Houston PD had the scene under active investigation as of early Friday morning. The exact number of vehicles involved and the extent of injuries were not immediately disclosed. Drivers heading southbound should expect delays and possible lane restrictions as cleanup and investigation continue. This corridor remains one of the busier crash zones along I-45 in Houston, making incidents here particularly disruptive to the broader regional traffic network.