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Travel time reliability has been increasingly recognized as a key performance indicator for transportation roadways and transport systems, which exerts a strong influence on the stakeholders in transportation networks, including users (travelers), service providers, planners, and managers. This has stimulated research into the development of ...
Pace [6] in minutes per kilometre or mile vs. slope angle resulting from Naismith's rule [7] for basal speeds of 5 and 4 km / h. [n 1]The original Naismith's rule from 1892 says that one should allow one hour per three miles on the map and an additional hour per 2000 feet of ascent.
t a = free flow travel time on link a per unit of time; v a = volume of traffic on link a per unit of time (somewhat more accurately: flow attempting to use link a). c a = capacity of link a per unit of time; S a (v a) is the average travel time for a vehicle on link a; There are other congestion functions.
Per diem (Latin for "per day" or "for each day") or daily allowance is a specific amount of money that an organization gives an individual, typically an employee, per day to cover living expenses when travelling on the employer's business. A per diem payment can cover part or all of the expenses incurred. For example, it may include an ...
Temporary duty travel (TDY), also sometimes referred to as Temporary Additional Duty (TAD) in the US Navy and US Marine Corps, is a duty status designation reflecting a US Government Employee's official travel or assignment at a location other than the employee's permanent duty station.
The AADT is the sum of the total traffic for the entire year divided by 365 days. There can be problems with calculating the AADT with this method. For example, if the continuous count equipment is not operating for the full 365 days due to maintenance or repair. Because of this issue, seasonal or day-of-week biases might skew the calculated AADT.
The specific time at which deployment for an operation commences. (US) L-Day For "Landing Day", 1 April 1945, the day Operation Iceberg (the invasion of Okinawa) began. [5] M-Day The day on which mobilization commences or is due to commence. (NATO) N-Day The unnamed day an active duty unit is notified for deployment or redeployment. (US) O-Day
vehicle-kilometre (vkm [1]) as a measure of traffic flow, determined by multiplying the number of vehicles on a given road or traffic network by the average length of their trips measured in kilometres.