State police said Melendez hit a guard rail near exit 10 in the northbound lane.
This is an update of a story that was posted at 5:55 a.m. Tuesday
SPRINGFIELD - A 31-year-old Springfield man was critically injured Monday night when he apparently lost control of his motorcycle on Interstate 91 and struck a guard rail, State Police said.
The motorcyclist, identified as Wilfredo Melendez, was in critical condition in the intensive care unit Tuesday night at Baystate Medical Center, according to a hospital spokesman.
State police said Melendez was heading north on I-91 just before 8 p.m. when he hit a guard rail near exit 10 which leads to Main Street in the North End of Springfield.
The crash reduced travel on the highway to one lane for more than 3 1/2 hours as the state police Accident Reconstruction Team invested the scene.
The accident remains under investigation.