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Hours of service. The hours of service limit the driving hours of truck drivers and bus drivers. 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.
Why the hours of service are important: a graph outlining the relationship between number of hours driven and the percent of crashes related to driver fatigue. Source: Federal Motor Carrier Safety Administration. Fatigue is a major safety concern in many fields, but especially in transportation, because fatigue can result in disastrous ...
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 ...
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.
Terce (third hour, 9 a.m.) Sext (sixth hour, noon) Nones (ninth hour, 3 p.m.) Vespers (sunset, approximately 6 p.m.) Compline (end of the day before retiring, approximately 7 p.m.) Church bells are tolled at the fixed times of these canonical hours in some Christian traditions as a call to prayer.
High availability ( HA) is a characteristic of a system that aims to ensure an agreed level of operational performance, usually uptime, for a higher than normal period. Modernization has resulted in an increased reliance on these systems. For example, hospitals and data centers require high availability of their systems to perform routine daily ...
Forgetting curve. The forgetting curve hypothesizes the decline of memory retention in time. This curve shows how information is lost over time when there is no attempt to retain it. [1] A related concept is the strength of memory that refers to the durability that memory traces in the brain. The stronger the memory, the longer period of time ...