Series Of Crashes On I-25

THORNTON, Colo. (CBS4) – A series of accidents has snarled traffic on southbound Interstate 25 Saturday afternoon.
(credit: CBS)
The crashes occurred on I-25 near Thornton Parkway just after 1:30 p.m.CRASH I-25 NB @ Thornton Pkwy;Express lane blocked;Expect delays
— CDOT (@ColoradoDOT) April 29, 2017
A witness told CBS4 a snowplow was involved one accident but it appears the plow didn’t collide with any vehicles.
Express lanes and the left lane of I-25 were blocked due to the c