The weekend closure of a section of the Pennsylvania Turnpike for bridge replacement has possibly shifted significant traffic volume to Route 309 in eastern Schuylkill County, resulting in delays and traffic back-ups in Tamaqua area. By 1 p.m. Sunday, a logjam more than five miles long slowed southbound lanes to a crawl through Tamaqua and Rush Township. DONALD R. SERFASS/SPECIAL TO THE TIMES NEWS