Savannah-Chatham police have closed LaRoche Avenue between Norwood Avenue and Wylly Island Road where a large tree has fallen across power lines.
Police spokesman Julian Miller said Georgia Power and Savannah Trees and Parks Department units have been called to the area that will remain closed as late as midnight as workers remove the tree and fix damage to another power pole.
Motorists are advised to seek other routes if possible and to use use extreme caution.