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It contains concepts, guidelines, and computational procedures for computing the capacity and quality of service of various highway facilities, including freeways, highways, arterial roads, roundabouts, signalized and unsignalized intersections, interchanges, rural highways, and the effects of mass transit, pedestrians, and bicycles on the ...
The number of older drivers on the road is growing and bound to increase at a more rapid rate, as more baby boomers become seniors. [7] According to an AARP spokeswoman, by 2030 over 78 million boomers will be 65+, and research shows that men will outlive their driving abilities by six years and women by 10. [27]
Empirical examples of traffic congestion reconstructed by the ASDA/FOTO models using raw data measured by road detectors on different highways in the United Kingdom, Germany, and the USA. Representation of traffic congestion in space-time plane through regions associated with two qualitatively different traffic phases in congested traffic: 1.
The 73-year-old woman was covered in snow and crawling up an embankment when the two truckers, both women, stopped to help. 'Highway Angels' honored for rescuing elderly woman whose car slid off I ...
Federal Guidelines do not address certification methods for traffic controllers, flaggers, or other personnel responsible for traffic control. This responsibility is managed on a state or local agency level, and therefore certification requirements are not consistent and are administered locally.
Entrances and exits to the highway are provided at interchanges by slip roads (ramps), which allow for speed changes between the highway and arterials and collector roads. On the controlled-access highway, opposing directions of travel are generally separated by a median strip or central reservation containing a traffic barrier or grass.
The American Association of State Highway and Transportation Officials (AASHTO) is a standards setting body which publishes specifications, test protocols, and guidelines that are used in highway design and construction throughout the United States. Despite its name, the association represents not only highways but air, rail, water, and public ...
Earlie Harris' son pulled over on Interstate 65 after she was fatally struck by a wrench that flew through the car windshield: "My mom was bleeding."