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  2. Units of measurement in transportation - Wikipedia

    en.wikipedia.org/wiki/Units_of_measurement_in...

    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. [2] vehicle-mile (vehicle miles traveled, or VMT [1]) same as before but measures the trip expressed in miles.

  3. Metrication in the United States - Wikipedia

    en.wikipedia.org/wiki/Metrication_in_the_United...

    Frequent-flyer programs from commercial airlines in the United States, such as American Airlines' AAdvantage and Delta's SkyMiles, are commonly managed using miles. This is likely to continue; in fact, some international airlines that previously used kilometers are switching to miles or using both, to simplify the redemption of miles with ...

  4. Rail speed limits in the United States - Wikipedia

    en.wikipedia.org/wiki/Rail_speed_limits_in_the...

    is given in miles per hour Track lubrication on a reverse curve in an area prone to movement due to wet beds. Normally, passenger trains run above the balancing speed, and the difference between the balancing superelevation for the speed and curvature and the actual superelevation on the curve is known as unbalanced superelevation.

  5. Transportation in the United States - Wikipedia

    en.wikipedia.org/wiki/Transportation_in_the...

    The United States has 25,482 miles (41,009 km) of navigable inland channels (rivers and canals), exclusive of the Great Lakes. Out of this 12,006 miles (19,322 km) is used in commerce. About 15,000 miles (24,000 km) of the Mississippi River System are presently navigable, although not all is used for commerce. [52]

  6. Speed limits in the United States by jurisdiction - Wikipedia

    en.wikipedia.org/wiki/Speed_limits_in_the_United...

    Within "urbanized areas", 55 miles per hour (89 km/h) speed limit citations are given for "waste of a finite resource". This exception only applies within a 10-mile-per-hour (16 km/h) threshold. As long as the speed does not exceed 65 mph (105 km/h), the infraction is not recorded as a traffic violation for the purposes of a point system.

  7. How to Calculate Gas Costs for Your Next Road Trip - AOL

    www.aol.com/calculate-gas-costs-next-road...

    Now, to calculate gas cost per mile simply divide the total miles driven by the total cost of your last fill-up. Using the prior example, if the gas cost $2.49 per gallon, your 15-gallon fill-up ...

  8. Here Are the Changes to Frequent Flyer Programs You ... - AOL

    www.aol.com/changes-frequent-flyer-programs-know...

    Loyalty has its rewards, and in the past, holders of American Airlines co-branded credit cards were privy to a sweet perk: a mileage discount saving up to 7,500 miles off a round-trip award ticket.

  9. Mile - Wikipedia

    en.wikipedia.org/wiki/Mile

    However, derived units such as miles per hour or miles per gallon continue to be abbreviated as "mph" and "mpg" rather than "mi/h" and "mi/gal". In the United Kingdom, road signs use "m" as the abbreviation for mile though height and width restrictions also use "m" as the symbol for the metre, which may be displayed alongside feet and inches. [ 6 ]