The California Department of Transportation (Caltrans) will perform various road construction activities on State Route 99 (SR-99) from Arch Road in Stockton to the San Joaquin/Sacramento County line. No consecutive ramps will be closed at the same time. Work will occur as follows: The #3 (right) lane on northbound and southbound SR-99 from the East Frontage Road to Arch Road will be closed nightly through Friday, March 9 from 8 p.m. until 6 a.m. Full on and off-ramp closure on northbound and southbound SR-99 at Arch Road is scheduled through Friday, March 9 from 8 p.m. until 6 a.m. The #1 (left) and #2 (middle) lanes on northbound and southbound SR-99 will close from the Marsh Street Pedestrian Bridge to Hammer Lane beginning through Friday, March 9 from 8 p.m. until 6 a.m. Moving closure on northbound and southbound SR-99 from Mariposa Road to the San Joaquin/Sacramento County line for marker replacement beginning continues through Friday, March 9 from 8 p.m. until 6 a.m. Motorists should expect up to 10 minute delays.