4:20 P.M. UPDATE: Workers have moved the lines and all lanes of the freeway have been re-opened.
HOUSTON - I-45 is closed in both directions near Cavalcade due to downed telephone lines across lanes of traffic.
According to HPD, a big rig truck hit a pole and knocked down the power line across all lanes of the freeway, including the HOV lane.
Traffic is considerably backed up. Consider alternate routes.