The Larimer County Sheriffs office will be conducting DUI check points tomorrow. According to CDOT, DUI arrests were up 6% this summer with almost 2800 arrests for the period between Memorial Day and Labor Day. On average a DUI can cost more than $10,270 dollars in court fees, insurance premiums, alcohol education classes, the loss of your license and in some cases an ignition interlock that has to be installed in your car.