Route 1 in Darien is closed at exit 11 of Interstate 95 South because of a three-car crash.
Police said there is one possible injury.
A photo from police shows a car up an embankment and at least one ambulance at the scene.
No additional information was immediately available.
Rt. 1 @ Exit 11 I95 South closed in Darien due to serious multi-car accident. pic.twitter.com/gFisFFdOwb — Darien Police (@DarienPD) April 18, 2014