MoDOT cautioning drivers to watch for 'blow-ups'

MoDOT cautioning drivers to watch for 'blow-ups'

MoDOT cautioning drivers to watch for 'blow-ups'

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by KMOV.com Staff

KMOV.com

Posted on July 23, 2013 at 4:21 PM

Updated Tuesday, Jul 23 at 8:56 PM

(KMOV.com) --MoDOT is warning drivers to keep a close eye on road surfaces. The department cautioned Tuesday that some roads are buckling and blowing up.

Engineers say a “blow-up” refers to the pavement pushing upward. Sand and gravel get into the seams in the pavement in the winter.

The concrete slab then has no room to expand and  in the sustained  summer heat, the pavement  weakens.

MoDOT says 2012 year was the worst year to date for blow-ups, and it is already seeing them in western Missouri.

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