41 southbound is down to one lane due to a jack knifed semi leaking fuel. Dispatchers say it happened around 7:30 tonight at a gas station on the Henderson strip. A northbound semi turned into the Marathon station on the west side of 41 - police say the driver over corrected and jack knifed. The accident knocked one of the trucks exterior gas tanks off the truck body leaking about 50 to 75 gallons of diesel. Henderson police are on the scene and redirecting traffic.