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The speed limit in a residential district in a city is __ mph unless a higher speed is posted

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Final answer:

The typical speed limit in residential areas is 25 mph, but law enforcement may allow a slight excess due to speedometer inaccuracies. The legal speed limit is the 'de jure' limit, while the speed that may go unpunished is referred to as the 'de facto' speed limit. Traffic flow and local enforcement practices can influence the actual driving speeds.

Step-by-step explanation:

The speed limit in a residential district within a city is typically set to ensure the safety of its residents. Generally, in many areas, this speed limit is 25 miles per hour (25 mph) unless a sign indicates a higher permissible speed. This speed limit is considered a de jure speed limit, meaning it is the legally established limit. However, the actual speed at which drivers can travel without getting ticketed can be slightly higher due to a buffer that law enforcement allows, known as the de facto speed limit.

For instance, in Jacinto City, Texas, if the speed limit sign states 30 miles per hour (30 mph), a driver going 31 miles per hour (31 mph) is not typically in trouble, as police officers usually allow a marginal over-speeding due to inaccuracies in most speedometers. Still, exceeding this informal buffer significantly increases the risk of receiving a traffic ticket.

It's important to note that driving behaviors, such as the scenario where Peter experienced frustration behind a car going the minimum speed limit in a business district, illustrate the variance in driving speeds. While the speed limit may be 35 miles per hour (35 mph), traffic flow often moves at 40 to 45 miles per hour (40-45 mph), showcasing that the de facto speed can often exceed the de jure speed limit, depending on local driving culture and enforcement practices.

User Jayshil Dave
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