- Best sellers
- New Arrivals
AASHTO-American Association of State Highway and Transportation Officials
American Association of State Highway and Transportation Officials (AASHTO) Standards
The American Association of State Highway and Transportation Officials (AASHTO) is a leading organization that develops and publishes technical standards, specifications, guidelines, and industry resources for the transportation sector.
AASHTO standards cover a wide range of applications, including highway design, road construction, bridge engineering, transportation infrastructure, maintenance, public transit, railways, aviation, and water transportation.
Engineers, contractors, transportation agencies, and industry professionals rely on AASHTO publications to support infrastructure planning, design, construction, inspection, and maintenance while promoting safety, quality, and consistency across transportation projects.
At e-Standards Portal, you can explore AASHTO standards, technical specifications, and related publications to find the technical information you need for your engineering and transportation projects.
Commuting in America 2021: The National Report on Commuting Patterns and Trends - Brief 21.1. The Changing Nature of Work PDF
AASHTO CA01-5 provides a snapshot of the nature of work in 2019, with focus on the single-most impor..
Commuting in America 2021: The National Report on Commuting Patterns and Trends - Brief 21.2. Vehicle Availability Patterns and Trends PDF
AASHTO CA02-5 examines trends in vehicle availability in the U.S. from 2000 to 2017; presents overal..
Leaner and Greener: Sustainability at Work in Transportation PDF
While working to provide the nation with safe, efficient, and reliable means of transportation, stat..