SHARECOMMENTMORE

St. Louis County, Mo (KSDK) --Several sessions ofrock blasting and brief closures of I-270 in west St. Louis County are canceled because of the Fourth of July holiday.

The Missouri Department of Transportationhas been closing the interstate in both directions from Interstate-44 to Manchester this summer. The closures have been happening weekdays at 10 a.m. and 1:30 p.m. for 15 minutes.

The 1:30 p.m. closure onJuly 3 andboth sessions on July 4have been canceled.

The rock blasts are part of a widening project.