Drivers will see heavy traffic on the Southwest Freeway going northbound near Gulfton due to an accident on Thursday. Houston Transtar is reporting lane closures on I-59 Southwest northbound at Chimney Rock Road due to a crash and a truck losing its load.\According to Harris County Sheriff's Office Lt. Garza, a truck and trailer lost a load of scrap metal. First responders are at the scene to assist. No injuries have been reported at this time.