It happened just off the southbound shoulder of I-45 North Freeway between Cypresswood and Louetta.
Investigators said the vehicle was traveling at a normal speed when it left the roadway and crashed into the pole. The car caught fire after impact.
Only one southbound main lane was open near the crash scene for a time. The southbound feeder road was completely closed while fire crews worked to clear the crash.
@HCSO_1Patrol Deputies responded to a 1 vehicle crash at 17599 I-45 N fwy. A vehicle was exiting the off ramp and struck a pole. Prelim info 3 fatalities. Traffic unit is responding. 2 main S/B lanes are closed. PIO is enroute and updates will be given from the scene. #HouNews pic.twitter.com/5iPaPV9rSK— HCSOTexas (@HCSOTexas) May 10, 2020