Construction on Old White Way Road is set to begin Wednesday. According to the Washington County Engineer’s Office, the work east of Highway 218 will involve a box culvert extension with associated grading and seeding. The work is expected to take 20 working days, depending on the weather. Traffic will be reduced to one lane in the construction zone. There will be traffic signals set up to direct traffic through the work zone. Iowa Bridge and Culvert of Washington is doing the work for $198,170.