Transportation Research Record: Journal of the Transportation Research Board, No. 1945 contains 13 papers on topics such as determining the locations and spacing patterns for inductive loop road detector placement on Interstate corridors, a California county’s integrated geographic information system database for traffic analysis, characterizing truck traffic in California to aid in mechanistic–empirical pavement design, an evaluation of redesigned quartz piezoelectric weigh-in-motion sensors, using cell phones as a means to access urban traffic data, the significance of statistical changes in traffic volume during holidays, and more.
Individual TRR Journals, which are published on an irregular basis throughout the year, consist of collections of peer-reviewed papers on specific transportation subject areas and modes. Abstracts of papers that make up this TRR are available through TRB's Publication Index.
TRR Journals may also be purchased on an annual subscription basis. Each year, TRB publishes approximately 45 volumes of the TRR Journal, containing more than 800 papers grouped by subject.