This report by the Federal Highway Administration (FHWA) provides information about the funding of Federal-aid highways. The report details the fiscal process of funding the highways from inception in an authorization act to payment from the Highway Trust Fund. In addition, congressional and Federal agency actions that take place throughout this process are discussed. Related items: Federal Highway Administration (FHWA) publications can be found here: https://bookstore.gpo.gov/agency/federal-highway-administration-fhwa Department of Transportation (DOT) publications can be found here: https://bookstore.gpo.gov/agency/department-transportation-dot

This document presents a synthesis of current information and operating practices related to roadside safety and is developed in metric units. The roadside is defined as that area beyond the traveled way (driving lanes) and the shoulder (if any) of the roadway itself. The focus of this guide is on safety treatments that minimize the likelihood of serious injuries when a driver runs off the road. This guide replaces the 1989 AASHTO "Roadside Design Guide."