TRB - VibeWire Magazine

MASH Railing Load Requirements for Bridge Deck Overhang

Guest authors
December 2, 2023
0

State highway agencies across the country are upgrading standards, policies, and processes to satisfy the 2016 AASHTO/FHWA Joint Implementation Agreement for MASH. NCHRP Research Report 1078: MASH Railing Load Requirements for Bridge Deck Overhang , fr…

Ruggedness of Laboratory Tests to Assess Cracking Resistance of Asphalt Mixtures

Guest authors
December 2, 2023
0

Cracking and durability issues of asphalt pavements have been primary concerns of departments of transportation the last two decades. Several modes of asphalt pavement cracking exist—fatigue, top-down, reflective, and thermal—and all are influenced by …

Road Usage Charge Guide

Guest authors
December 1, 2023
0

Many states are exploring road usage charge (RUC) programs as they seek sustainable alternatives to the fuel tax. NCHRP WebResource 2: Road Usage Charge Guide , from TRB’s National Cooperative Highway Research Program, offers a collection of RUC resour…

Shared-Risk Insurance Pools for Transit Agencies: A Guide

Guest authors
December 1, 2023
0

Transit agencies are finding it increasingly difficult to find, purchase, and maintain adequate and affordable insurance coverage for public transit vehicles. The number of smaller insurance providers is decreasing due to the volatile nature and demand…

Developing a Guide to Shared-Risk Insurance Pools for Transit Agencies: Conduct of Research Report

Guest authors
December 1, 2023
0

In states where there is a Transit Risk-Sharing Insurance Pool, state departments of transportation (DOTs) indicate cost reduction and access to insurance as the main objectives of the pools. Among pool benefits, transit agencies find that their insura…