The hours of operation are: Trucking 7:00 am to 7:00 pm and the crusher on site will operate from 6:30 am to 6:00 pm. Please note that Dane County and the Town of Oregon have no control over the hours on a legal-nonconforming site. The project that they are working on will be completed in September. Yahara is providing material for WI DOT projects, including I-39/90 Expansion Project . If you have any concerns, please contact Tim Geoghegan, 608-445-4416 or tim@yaharamaterials.com.