PITTSBURGH — The Armstrong Tunnel inbound lanes in Pittsburgh will close from 6 a.m. to 9 a.m. and the outbound tunnel will close from 9 a.m. to noon this Saturday for environmental testing prior to an upcoming project, according to the Department of Public Works.
During the inbound closure, cars will be detoured using Second Avenue, Ross Street and Forbes Avenue, and trucks will be detoured using Second Avenue, B Street, First Avenue, Grant Street, Boulevard of the Allies, Commonwealth Place, Liberty Avenue, Fifth Avenue, Sixth Avenue and Forbes Avenue.
During the outbound closure, cars will be detoured using Chatham Square, Fifth Avenue, Ross Street and Second Avenue, and trucks will be detoured using Chatham Square, Fifth Avenue, Liberty Avenue, Commonwealth Place, Boulevard of the Allies, Grant Street, First Avenue, B Street and Second Avenue.
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