Click here to purchase This manual has been developed to assist bridge owners by establishing inspection procedures and evaluation practices that meet the National Bridge Inspection Standards (NBIS). The manual has been divided into eight sections, with each section representing a distinct phase of an overall bridge inspection and evaluation program. This edition updates Sections 3: Bridge...

Click here to purchase This manual presents uniform guidelines and procedures pertaining to the unique structural, mechanical, electrical, and operational characteristics of movable highway bridges. The manual was developed for bridge engineers, inspectors, and maintainers charged with operational and maintenance responsibilities for these complex structures. Commentary adjacent to the text...

Click here to purchase The AASHTO Task Force on Hydrology and Hydraulics, in cooperation with the FHWA Rural Technical Assistance Program (RTAP), has assisted in writing this Model Drainage Manual. This comprehensive drainage manual provides guidance on most aspects of highway drainage. Design theories, concepts, manuals, policies and procedures are condensed and written for use by the designer....

Click here to purchase The Roadside Design Guide presents a synthesis of current information and operating practices related to roadside safety and is written in dual units - metric and U.S. Customary.The guide is intended to be used as a resource document from which individual highway agencies can develop standards and policies. It includes a synthesis of current information and operating...

Click here to purchase This guide aims to encourage transportation agencies to address strategic questions as they confront the task of managing the surface transportation system. Drawn from both national and international knowledge and experience, it provides guidance to state DOT decision makers, as well as county and municipal transportation agencies, to assist them in realizing the most from...

Click here to purchase This manual provide a valuable resource for people who analyze the benefits and costs of highway projects. These analysts have the difficult and often cumbersome responsibility of performing complex benefit-cost calculations and presenting the results to decision-makers, the media, and the public. It has been the practice of AASHTO to publish materials to support...