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G2 licences are kept for 12 months and then he/she can take the G2 exit test, which tests highway driving as well as city driving skills. A G2 licence holder is subject to a new set of restrictions , which are more relaxed than those for the G1 licence: The driver must maintain a BAC of zero, and if the licence holder is 19 years of age or ...
City streets are 25 mph, county roads are 50 mph, and state highways are 60 mph. That’s the starting point, but you’ve driven on roads with other speed limits.
A U.S. advisory speed limit sign, warning drivers of a curve ahead. An advisory speed limit is a speed recommendation by a governing body, used when it may be non-obvious to the driver that the safe speed is below the legal speed.
Signs including Stop, Yield, No Turns, No Trucks, No Parking, No Stopping, Minimum Speed, Right Turn Only, Do Not Enter, Weight Limit, and Speed Limit are considered regulatory signs. Some have special shapes, such as the octagon for the Stop sign, the triangle for the Yield sign, and the crossbuck for railroad crossings.
In the US, the DOT FHWA has written in a report that "For a given roadway type, there is a strong statistical relationship between speed and crash risk for speeds in the range of 15 mph to 75 mph (25 km/h to 120 km/h). When the mean speed of traffic is reduced, the number of crashes and the severity of injuries will almost always go down.". [174]
Full license at 17 years old if the driver has no violation and accident-free for 12 consecutive months, otherwise they must be 18 years old. Iowa driver licenses can vary from two years to a maximum of five years. The license drops to a maximum term of two years after the license holder reaches the age of 70. [69]
In jurisdictions which use a point system, the police or licensing authorities maintain a record of the demerit points accumulated by each driver. Traffic offenses, such as speeding or disobeying traffic signals, are each assigned a certain number of points, and when a driver is determined to be guilty of a particular offence, the corresponding number of points are added to the driver's total.
Residential studies in Columbia, Missouri have determined that Pace Car Programs have reduced speed limits from 30 mph to 25 mph. The Transportation Laboratory estimates "that each one mph reduction in average traffic speed provided a reduction of 6% in vehicle accidents for urban main roads and residential roads" [25]