A section of Route 202 was closed after a semi truck's trailer became disconnected from the tractor on Thursday afternoon, but has since reopened.
Route 202 was closed from Homestead Avenue to the Westfield line, which is causing major traffic delays, according to Holyoke police officials.
Holyoke police are working to have that tractor moved to the side so that at least one lane can open to traffic.
Drivers are encouraged to seek alternate routes for the time being.
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