The U.S. Coast Guard’s first comprehensive review of vessel traffic patterns off the California, Oregon and Washington coasts has been published, the agency announced June 7.  The Guard put out in the Federal Register the final report of the Pacific Coast Port Access Route Study (PAC-PARS), which aims to determine historic and future waterway use to see if there is navigational risk and offer recommendations to maintain safe navigation.  To accomplish this work, the study looked at vessel tracking data from the last decade as well as various datasets, including environmental data, current and planned offshore development infrastructure, and past…