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美国国家公路交通安全署（National Highway Traffic Safety Administration，NHTSA)
美国国家公路交通安全署 National Highway Traffic Safety Administration NHTSA
2014/3/7
NHTSA was established by the Highway Safety Act of 1970 and is dedicated to achieving the highest standards of excellence in motor vehicle and highway safety. It works daily to help prevent crashes an...
Research on Mountain Highway Traffic Volume Transferred by Ports
Mountain Highway Port Transportation Traffic Volume
2011/12/16
With the expansion of port handling capacity and economic benefit, large mountains highway traffic volume are aggregated to and transported by ports, and large increment of traffic volume of mountains...
Spring-block model for a single-lane highway traffic
highway traffic disorder induced phase transition spring-block models
2010/12/28
A simple one-dimensional spring-block chain with asymmetric interactions is considered to model an idealized single-lane highway traffic.
Legibility of urban highway traffic signs using new retroreflective materials
highway signs visibility visual performance retroreflective materials
2010/10/29
Unlighted highway signs, which use newly developed retroreflective materials, were installed along the major expressway in an urban area by the local department of transportation. Photometric measurem...