Author: Guest authors

State transportation agencies have many tools available with which to maintain pavements proactively. These include tools such as pavement management systems to track roadway conditions and life cycle cost analysis tools. NCHRP Synthesis 623: Wintertim…

Many state departments of transportation (DOTs) build and operate escape ramps to allow heavy trucks that cannot maintain safe speeds on steep downgrades to safely exit the highway instead of losing control and crashing. Some escape ramps use upward-sl…