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Transportation in Washington, D.C. Washington, D.C. has a number of different modes of transportation available for use. Commuters have a major influence on travel patterns, with only 28% of people employed in Washington, D.C. commuting from within the city, whereas 33.5% commute from the nearby Maryland suburbs, 22.7% from Northern Virginia ...
The environmental effects of transport are significant because transport is a major user of energy, and burns most of the world's petroleum. This creates air pollution, including nitrous oxides and particulates, and is a significant contributor to global warming through emission of carbon dioxide. [2] [3] Within the transport sector, road ...
Findcare ranked the top 10 counties according to their average PM 2.5 pollution from 2000 to 2016. They also mapped out the average PM 2.5 pollution for all available counties. Here are the ...
Traffic congestion is a condition in transport that is characterized by slower speeds, longer trip times, and increased vehicular queueing. Traffic congestion on urban road networks has increased substantially since the 1950s. [1] When traffic demand is great enough that the interaction between vehicles slows the traffic stream, this results in ...
Gridlock is a form of traffic congestion where "continuous queues of vehicles block an entire network of intersecting streets, bringing traffic in all directions to a complete standstill". [1] The term originates from a situation possible in a grid plan where intersections are blocked, preventing vehicles from either moving forwards through the ...
The word traffic originally meant "trade" (as it still does) and comes from the Old Italian verb trafficare and noun traffico. The origin of the Italian words is unclear. Suggestions include Catalan trafegar "decant", [2] an assumed Vulgar Latin verb transfricare 'rub across', [3] an assumed Vulgar Latin combination of trans- and facere 'make ...
Congestion pricing is a concept from market economics regarding the use of pricing mechanisms to charge the users of public goods for the negative externalities generated by the peak demand in excess of available supply. Its economic rationale is that, at a price of zero, demand exceeds supply, causing a shortage, and that the shortage should ...
Taxis will charge passengers $1.25 per trip that touches the zone, while app-based rides will charge $2.50. To enter Manhattan, commuters from other states and boroughs already pay around $15 in ...