UPDATE: 7:15 P.M.: All lanes have reopened on I-10 westbound near MP100 following a two-vehicle crash. Delays are approximately 6 miles, police said.

LAFAYETTE, La. (KLFY) Lafayette Police are on scene of a two-vehicle crash on I-10 (westbound) at mm 100, near the Ambassador Caffery exit.

Police said the crash happened around 3:40 p.m. when one vehicle struck a second unoccupied, stalled vehicle. 

The driver was transported to a local hospital in critical condition, police said.

The westbound right lane is closed between University Avenue and Ambassador Caffery while police conduct an investigation.

Motorist can expect heavy traffic delays.