Traffic came to a standstill on Route 495 in Littleton, Massachusetts, after a serious crash involving life-threatening injuries, according to the Massachusetts State Police. The accident occurred on Wednesday afternoon near Exit 79, causing significant delays during rush hour.

Police reported that the crash involved multiple vehicles, with one car crossing into oncoming traffic, resulting in a severe collision. Emergency services responded swiftly, with one individual transported to a nearby hospital via medical helicopter due to critical injuries. Another person sustained minor injuries and was treated on-site.
The incident prompted authorities to shut down both northbound and southbound lanes of Route 495 for several hours, creating long backups. By 6:30 PM, one northbound lane was reopened, and all lanes were fully operational by approximately 8 PM.
Investigators are still working to determine the cause of the crash. Initial reports suggest speed and weather conditions may have been contributing factors, though no official statement has been released.
Motorists are advised to exercise caution while traveling through the area and to follow updates from the Massachusetts State Police for further information. Witnesses to the crash are encouraged to contact authorities to assist with the ongoing investigation.