About this app
This application summarizes guidelines established in the AASHTO Roadside Design Guide for the installation and maintenance of roadside safety hardware. It contains basic principles, descriptions and images of various roadside safety hardware and their best uses, design considerations, and maintenance information. This guide is directed to state and local government employees, contractors, and any other entity installing or maintaining roadside safety hardware.
Latest release
What’s New
Improved layout, better support for larger screens, and improved readability.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 15, 2026 · 4:59 PM Free
Screenshots
