WARREN, NJ - I-78 westbound has reopened after an accident earlier today involving a state trooper. 

At 4:05 p.m., New Jersey State Police tweeted, "State Trooper involved in serious MVA I-78 EB MP 40.8 Warren Twp., Somerset County. Expect major delays due to invest. No additional info."

The trooper was transported by helicopter to the hospital, authorities said. 

No additional information is known at this time.