Construction crews will be working along the 15th Ave W/NW corridor this week and next. A contractor for the Seattle Department of Transportation will be installing conduit to prepare for the future installation of a traffic camera and signal cabinet upgrade. A release from SDOT says that the contractor will be working today and tomorrow from 7 a.m. to 3 p.m. along the inside south bound lane of 15th Ave W at W Emerson St. The inside northbound lane at Leary Ave NW is also closed to work on the northbound ramp to 15th Ave NW.