Both directions of Diagonal Highway are closed due to a rollover crash in Niwot, according to officials.
The Boulder County Sheriff’s Office said the crash was in the Boulder-bound lanes of Diagonal Highway near Second Avenue in Niwot.
Serious traffic accident on the Diagonal Hwy (119), the Boulder bound direction, near Niwot and 2nd Ave. The highway will be shut down in the BB direction at 83rd St. Please use an alternate route. pic.twitter.com/FE3aHSBJd4
— BoulderCountySheriff (@BldrCOSheriff) September 17, 2019
In addition to Boulder-bound lanes being closed at 83rd Street, dispatchers said Longmont-bound traffic was being diverted from Boulder through Airport Road.
Police radio traffic indicated one person was trapped in the overturned vehicle but that emergency crews were able to get them out and transport them to a hospital.
This story will be updated when more information becomes available.