UPDATE: The southbound lanes on the Lake Pontchartrain Causeway are now open following a crash around noon today.
METAIRIE, La. (WGNO) – The Causeway Police are investigating a major accident that has shut down both southbound lanes.
Investigators say that four vehicles, including an 18-wheeler, were involved in the crash about 3 miles from the south shore.
No injuries have been reported, but police say that the southbond lanes could be closed for up to two hours while the accident is cleared.