GARDINER - The Maine Department of Transportation will be closing Exit 49 Northbound on-and-off ramps on I-295 next week to accommodate paving work. The closure begins August 4 at 6:00 p.m and goes until 6:00 a.m. on August 5. The contractor on this work is All States Materials Group of Richmond. This work is part of a larger $18.8-million contract.