Speeding Ticket
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A speed limit is the maximum speed allowed by law for vehicles on a road.
On interstate highways in the United States speed limits range from urban limits as low as 40 mph (65 km/h) to rural limits as high as 75 mph (120 km/h). Before the 1973 energy crisis, some states posted no speed limit on the interstate highways. At one time Kansas had an 80 MPH (130 km/h) speed limit on its turnpike system. In 1974, Congress imposed a nationwide 55 MPH (90 km/h) speed limit by threatening to withhold highway funds from states that did not adopt this limit. It was estimated a speed of 55 mph used 17% less fuel per mile than a speed of 75 MPH (120 km/h). It was also believed, based on a noticeable drop the first year the limit was imposed, that it cut down on highway deaths, but later studies were more mixed on this point. This limit was unpopular, especially in Western states. In 1987 states were permitted to raise speed limits to 65 MPH (105 km/h) on rural interstate highways.
All federal speed limit controls were lifted on November 28, 1995, leaving the task of setting maximum speeds to the states. Immediately, all states except Montana imposed numerical speed limits on their interstate highway segments, many higher than 65 mph (105 km/h). However, no Interstate highway, freeway, or expressway is currently signed for over 75 mph (120 km/h), and within major city limits, few freeways have speed limits over 65 mph (105 km/h).
For four years, Montana had a "reasonable and prudent" speed limit during the daytime, a limit it already had on state highways. As a result, drivers of high-performance automobiles began to regularly visit Montana for the specific purpose of driving at high speeds on its freeways (as if they were German autobahns). In June 1999, Montana joined the rest of the nation and imposed a maximum speed limit of 75 mph (120 km/h) on its Interstate highways.
In California, many speed limit signs are identified as "Maximum Speed", usually when the limit is 55 MPH or more.
In addition to the legally defined maximum speed, minimum speeds are posted occasionally. However, minimum speed laws are rarely enforced.
On most other roads and highways, the general speed limits are as follows:
* 5-15 mph (10-25 km/h) in parking lots (usually set by lot owners and non-binding)
* 15-25 mph (25-40 km/h) in school zones (passing in school zones is prohibited in some cities)
* 25-30 mph (40-50 km/h) on residential streets in cities and towns
* 35-45 mph (55-70 km/h) on major arterial roads in urban and suburban areas
* 45-70 mph (70-110 km/h) on highways outside cities and towns and urban expressways
* 55-70 mph (90-110 km/h) on non-Interstate freeways and rural expressways
* 65-75 mph (105-120 km/h) on rural Interstate freeways