Be careful when entering Williams on old highway 66 from either direction. The speed limit drops to a completely unreasonable 35 outside of town and then to 25 in the downtown area, and cops are often waiting, especially on the west side of town near the Department of Public Safety building, and the east side near where the road splits from a four-lane into two one-way streets. Sometimes they park an empty police car there, and other times there is a speed trap.