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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.
Level of service (transportation) Level of service (LOS) is a qualitative measure used to relate the quality of motor vehicle traffic service. LOS is used to analyze roadways and intersections by categorizing traffic flow and assigning quality levels of traffic based on performance measure like vehicle speed, density, congestion, etc.
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 for drivers carrying ...
A dot chart or dot plot is a statistical chart consisting of data points plotted on a fairly simple scale, typically using filled in circles. There are two common, yet very different, versions of the dot chart. The first has been used in hand-drawn (pre-computer era) graphs to depict distributions going back to 1884.
English: Graph outlining the relationship between number of hours driving and incidents of crashes involving truck drivers in the United States. All hours over 12 are combined, due to the low number of sample data.
Electronic logging device. An electronic logging device ( ELD or E-Log) is a piece of electronic hardware attached to a commercial motor vehicle engine to record driving hours. The driving hours of commercial drivers ( truck and bus drivers) are typically regulated by a set of rules known as the hours of service (HOS) in the United States and ...
Federal Motor Carrier Safety Administration. The Federal Motor Carrier Safety Administration ( FMCSA) is an agency in the United States Department of Transportation that regulates the trucking industry in the United States. The primary mission of the FMCSA is to reduce crashes, injuries, and fatalities involving large trucks and buses.
The Texas Department of Transportation ( TxDOT / ˈtɛks.dɒt /) is a Texas state government agency responsible for construction and maintenance of the state's immense state highway system and the support of the state's maritime, aviation, rail, and public transportation systems. TxDOT previously administered vehicle registration prior to the ...