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National standards, Louisiana state policy and the City of Baton Rouge policy do not recognize the "Children at Play" signs for these reasons:
Federal standards do not support these signs because the signs are suggesting that it is acceptable behavior for children to play in the streets.
In accordance with Louisiana state law, the speed limit in a residential or business district is 30 miles per hour (MPH) with or without the presence of a speed limit sign. Although not required, 30 MPH speed limit signs may be posted at entrances to residential or business areas. Multiple postings of 30 MPH speed limit signs on residential streets not only detracts from a neighborhood's curb appeal, but it often fails to achieve the desired result of reducing the speed of motorists.
Louisiana State Law allows local authorities to determine and/or change the maximum speed limit for all streets within their respective jurisdiction to a reasonable and safe speed based on engineering and traffic investigations. The Manual on Uniform Traffic Control Devices (MUTCD) published by the United States Department of Transportation and the Federal Administration Highway is the national set of standards for traffic engineering. The MUTCD recommends that the following six factors be evaluated to establish safe and reasonable speed zones:
There is a wire in the pavement behind the crosswalk called a loop detector. The wire creates an electrical field in the air above the pavement. When a large object interrupts the electric field, the signal knows that a vehicle is present and will provide a green light at the proper time in the established traffic signal cycle. During peak travel times, the wait will be a maximum of two minutes. During non-peak travel times, the wait is a maximum of 90 seconds.
Some people think that if they back up and drive forward again, they will make the signal change quicker. This does not work. The mechanism does not count the number of vehicles waiting.
At some locations, motorcycles or "high-rider" vehicles will not be able to interrupt the electrical field. If this occurs, please note the street, the intersection, the lane, and the time of day and report this to the Traffic Engineering Division. Some people feel that if they get out of their car and push the pedestrian button, they will get the green light quicker. They will not. The pedestrian push-button does not make the green light come on sooner. It does make the green light longer. It takes longer for a person to walk across a street than it takes for a car to drive across a street.