FLAGSTAFF — The speed limit on portions of Butler Ave has been reduced, effective immediately. The speed limit on Butler Ave from S Milton Rd/ Rte 66 to E Sawmill Rd was reduced from 35 mph to 30 mph and the speed limit from E Sawmill Rd to Ponderosa Pkwy was reduced from 40 mph to 35 mph. Speed limit signs in the corridor have been updated.