Our Nation's Highways: 2008

Chapter 7. Introduction

Our reliance on highways to commute to work, to shop, vacation, and other activities, as well as their use for commerce, is creating significant demand on the system. Performance, reliability, safety, and asset preservation are key concerns for transportation agencies. Operating speeds, congestion, and pavement and bridge condition are some of the ways to measure the performance, condition, and safety of the Nation’s highways.