What is the speed limit in urban residential areas in South Dakota unless otherwise posted?

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In South Dakota, the speed limit in urban residential areas is set at 25 mph unless otherwise posted. This limit is designed to ensure the safety of residents, especially vulnerable individuals such as children and elderly pedestrians, who may be walking or biking in those areas. Keeping the speed limit at 25 mph helps to reduce the likelihood and severity of accidents, as lower speeds give drivers more time to react to unforeseen circumstances, such as a child running into the street or a parked vehicle suddenly opening its door. Maintaining this regulated speed can contribute to a more secure and community-friendly environment. Drivers in urban residential areas should always be attentive to additional posted signs, as specific areas may have different limits based on local conditions or activities.