More nighttime traffic disruptions await motorists as the reconstruction continues of the Ga. 400/I-285 interchange in the Sandy Springs, Dunwoody and Brookhaven area of the Perimeter.

All street, ramp and lane closures are scheduled for 9 p.m. to 5 a.m. and are "weather permitting," the Georgia Department of Transportation says. Information: https://bit.ly/2vCZuBv

Monday-Wednesday: Lake Forrest Drive will be closed between Allen Road and Northwood Drive. Monday-Thursday: The ramp from eastbound I-285 to northbound Ga. 400 will be closed. Monday-Saturday: southbound Peachtree Dunwoody Road from Hammond Drive to Lake Hearn Drive; and one left lane of northbound and southbound Ga. 400 between Johnson Ferry Road and Hammond Drive will be closed.

Wednesday-Saturday: The ramp from southbound Ga. 400 to westbound I-285 will be closed. Thursday-Saturday: The ramp from northbound Ga. 400 to eastbound I-285 will be closed. Friday (overnight): The ramp from southbound Ga. 400 to eastbound I-285 will be closed.

Also, during daylight hours, traffic pacing is planned from 1:30 to 2 p.m. Monday, Wednesday and Friday for eastbound I-285 from Roswell Road to Perimeter Center Parkway; westbound I-285 from Chamblee Dunwoody Road to Perimeter Center; and Perimeter Center from Lake Hearn to Hammond.