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Hours of service (HOS) regulations are issued by the Federal Motor Carrier Safety Administration (FMCSA) and govern the working hours of anyone operating a commercial motor vehicle (CMV) in the United States. These regulations apply to truck drivers, commercial and intercity bus drivers, and school bus drivers who operate CMVs.
Drivers' working hours. Drivers' working hours is the commonly used term for regulations that govern the activities of the drivers of commercial goods vehicles and passenger carrying vehicles. In the United States, they are known as hours of service. Within the European Union, Directive 2002/15/EC [1] is setting the rules regarding working time ...
Bathurst 12 Hour. The Bathurst 12 Hour, currently known as the Repco Bathurst 12 Hour for sponsorship reasons, is an annual endurance race for GT and production cars held at the Mount Panorama Circuit, in Bathurst, Australia. The race was first held in 1991 for Series Production cars and moved to Sydney 's Eastern Creek Raceway in 1995 before ...
The Federal Motor Carrier Safety Administration (FMCSA) issued its long-awaited final rule on changes to driver hours-of-service (HOS) regulations today with four key provisions it asserts will ...
Endurance racing is a form of motorsport racing which is meant to test the durability of equipment and endurance of participants. Teams of multiple drivers attempt to cover a large distance in a single event, with participants given a break with the ability to change during the race. Endurance races can be run either to cover a set distance in ...
Rule of twelfths. The rule of twelfths is an approximation to a sine curve. It can be used as a rule of thumb for estimating a changing quantity where both the quantity and the steps are easily divisible by 12. Typical uses are predicting the height of the tide or the change in day length over the seasons.
Rule 261 operation is the default operating procedure on single track mainlines. 14L, 14(l), or 19b Refers to the "Long Long Short Long" or "- - o -" Horn pattern used by US and Canadian railroads at grade crossings. The term "14L" is derived from Rule 14(l) in the Canadian Rail Operating Rules and Consolidated Code of Operating Rules.
The 12-hour clock was used throughout the British empire. During the 15th and 16th centuries, the 12-hour analog dial and time system gradually became established as standard throughout Northern Europe for general public use. The 24-hour analog dial was reserved for more specialized applications, such as astronomical clocks and chronometers.