A traffic accident involving a heavy truck has occurred on SH-99 at Cypress Rosehill, resulting in lane closures. The incident is affecting traffic in northwest Houston. The accident has led to a complete closure of the roadway, according to Harris County officials.

This closure is currently in effect, impacting travel in the area. For more information on the accident and resulting traffic disruptions, readers can refer to the source for further details and updates on the situation.