Search results
Results from the WOW.Com Content Network
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 ...
Public Safety Standards, United States (Federal Government) – Offers free downloads of documents, including AASHTO's "A Policy on Design Standards", that have been incorporated by reference into the US Code of Federal Regulations and can therefore be freely copied as edicts of government.
The present serviceability index (PSI) is a pavement performance measure.Introduced by the American Association of State Highway and Transportation Officials (AASHTO), the PSI is one of the most widely used pavement performance indicators after pavement condition index (PCI) and international roughness index (IRI).
A sign in Oklahoma City, Oklahoma, lists control cities of Wichita, Kansas, and Fort Smith, Arkansas, for Interstate 35 and Interstate 40, respectively.. A control city is a city, locality, or other location posted on a series of traffic signs along a particular stretch of road indicating destinations on that route. [1]
The AASHTO Soil Classification System was developed by the American Association of State Highway and Transportation Officials, and is used as a guide for the classification of soils and soil-aggregate mixtures for highway construction purposes.
Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.
The USBRS was established in 1978 by AASHTO for the purpose of "facilitat[ing] travel between the states over routes which have been identified as being more suitable than others for cycling." [ 8 ] The first routes were defined in 1982: U.S. Bicycle Route 1 (USBR 1) from North Carolina to Virginia, and the stretch of USBR 76 from Illinois ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!