The on and off ramps on Interstate-40 at Country Club Drive in Flagstaff will be closed tonight. ADOT says the on ramp to westbound I-40 at Country Club will be closed from 7 p.m. until 5 a.m. tomorrow morning. ADOT recommends drivers get on I-40 at Butler Avenue. The closures are due to the ongoing pavement project on Interstate-40. Drivers should slow down and proceed with caution when going through work zones.