A major traffic backup is impacting drivers on the Southwest Freeway this morning after a crash involving a heavy truck led to a hazmat spill near Bellaire Boulevard.

Sky 2 video shows the slowdown stretching along IH-69 Southwest Freeway, with traffic coming to a near standstill as crews respond to the scene.

From the ground, the crash area shows debris scattered across the roadway involving an 18-wheeler, with emergency crews working to contain the situation.