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LITTLETON, Middlesex County, Mass., Oct. 28, 2026 — A multi-vehicle crash on I-495 in Littleton left one vehicle about 50 feet off the roadway in the woods on Wednesday, October 28, according to a local traffic report. A female driver involved was reported unconscious.
The crash happened along I-495 in Littleton, though the exact location and number of vehicles involved have not been detailed. One vehicle reportedly left the roadway and traveled roughly 50 feet into a wooded area, suggesting a significant loss of control before it came to rest.
The female driver was reported unconscious at the scene, though her condition and whether she was transported to a hospital have not been released. No information has been shared about other drivers or passengers who may have been involved in the crash.
It remains unclear what triggered the chain of events or how many vehicles were ultimately caught up in it. The cause of the crash is under investigation, and additional details are expected as authorities release more information.
We hope those who were hurt recover fully and quickly.
More on Crashes in Littleton, MA
This multi-vehicle crash happened on I-495 in Littleton, MA. We cover crashes across Middlesex County as they're reported, and you can browse the latest in our Middlesex County accident reports.
Frequently Asked Questions
Are secondary crashes common after an initial wreck?
Yes. Once one vehicle slows, stops, or leaves the road, other drivers approaching the scene may not react in time, especially on a high-speed highway like I-495. Rubbernecking, sudden braking, and reduced visibility all raise the chance of a second collision.
What makes multi-vehicle crashes hard to investigate?
With several vehicles involved, investigators have to piece together multiple points of impact, varying speeds, and sometimes conflicting driver accounts. Physical evidence like skid marks and vehicle damage patterns often takes time to map out fully.
What usually causes highway pile-ups like this one?
Common factors include following too closely, sudden lane changes, speed differences between vehicles, and weather or visibility issues. In many cases, a single driver's mistake sets off a chain reaction that pulls in cars that had no time to react.
What to Do After a Multi-Vehicle Crash in Littleton, MA
If you're involved in a multi-vehicle crash, try to move to a safe spot off the travel lanes if your vehicle is drivable, and turn on hazard lights to warn other traffic. Call 911 right away, even if injuries aren't obvious, since adrenaline can mask pain from impacts.
Get checked by a medical professional as soon as possible. Some injuries, particularly head trauma or internal injuries, don't show symptoms immediately. Exchange information with other drivers if it's safe to do so, and take photos of the scene, vehicle positions, and any visible damage if you're able.
Keep a copy of the police report once it's filed, and follow up with your insurance company promptly. If you were a passenger or bystander, your account of what happened could be useful to investigators piecing together how the crash unfolded.
