 On I-95 southbound, you're on the brakes, leaving Norton toward 123 with a mobile work crew last seen in the left lane. Then further south, passing the Prince William Parkway, headed down toward Dumfries. The work near Dale City is blocking the right lane. Northbound I-95, you're on the brakes, approaching Dale City, headed toward 123. Then brief delays in Newington as you head toward the Springfield Interchange.