A thorough evaluation of the alleged problem should precede the installation of any traffic control device.
Speed bumps are not installed on Mesa County thoroughfares for the following reasons:
- Our primary objective lies in maintaining the safest and most efficient public roadway system possible. Drivers expect these roads to be free of obstacles; barring natural acts.
- The control of speeding in residential neighborhoods, while maintaining acceptably safe street and roadway conditions, is a wide spread concern which requires persistent law enforcement effort. The inability of posted speed limit signs to curb the intentional violator, leads to frequent demands for installation of "speed bumps" in public streets and alleys. However, actual tests of experimental designs have demonstrated the physical inability of a speed bump to control all types of lightweight and heavyweight vehicles successfully; in fact, a soft sprung sedan is encouraged to increase speed for a better ride, while some vehicles may lose control.
- Increased emergency vehicle response time.
- Cognate drivers braking for a speed bump may subject themselves to a possible rear end collision with an inattentive driver following too closely.
- Speed bumps inflict severe stress on vehicle suspension parts. The possibility exists for vehicle damage and subsequent loss of steering control, with catastrophic results.
- Speed bumps pose a major maintenance problem particularly on those roads routinely snow plowed during the winter months.
- Courts have held public agencies liable for personal injuries resulting from faulty designs. Increased hazard to the unwary; challenges to the daredevils; disruption of the movement of both emergency and service vehicles; and undesirable increase in noise, have caused speed bumps to be officially rejected as a standard traffic control device on public streets and alleys.