Work zones to watch for this week in Fredericksburg, Stafford Photo: VDOT All work is scheduled weather permitting. Real-time information on work zones and lane closures is available on 511Virginia. I-95 Southbound Monday – Thursday, 6 a.m. – 10 a.m., Monday – Thursday, 9 p.m. – 10 a.m. Thursday – Friday, 9 p.m. – 6 a.m. and Friday – Saturday, 10 p.m. – 7 a.m. Single lane closure on I-95 southbound between the two interchanges for construction activities for the 95 Express Lanes Fredericksburg Extension (Fred Ex) project. Exit 148 (Quantico) to Exit 133 (Route 17) Monday – Thursday, 9 p.m. – 10 a.m., Thursday – Friday, 9 p.m. – 6 a.m. and Friday – Saturday, 10 p.m. – 7 a.m. Single lane closures on I-95 southbound at various locations between the two interchanges to allow crews to adjust work zone barrier for the Fred Ex project.