A rollover crash on the offramp from Interstate 5 to Highway 526 in Everett left one person dead early Tuesday, according to the Washington State Patrol.

Traffic was diverted to Highway 527 during the investigation into the 3 a.m. collision, said Trooper Heather Axtman on Twitter.

The driver in the single-vehicle crash was identified by state patrol as Gabriel P. Romanelli, 40, of Everett.

Witnesses told police the driver was speeding before the fatal crash, Axtman said.

The road reopened shortly after 6 a.m.