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This report documents the research underway at the Utah Traffic Lab (UTL) that will contribute to the development of the user cost manual. This study evaluates the impact of various work zone scenarios caused by roadway rehabilitation projects in Utah. The results for different scenarios are tabulated...

Traffic Monitoring Stations on Interstate 15 in Utah's Salt Lake City metropolitan region are placed at approximately 0.5 mile spacing. It is time to replace and upgrade the detectors that constitute these Traffic Monitoring Stations. The 0.5 mile spacing owes little to logical design. Where the new...

This paper evaluates the impact of various I-15 reconstruction closure scenarios on the travelers in the Ogden area. The purpose of the research was to investigate the impact of the scenarios and facilitate decisions about future maintenance of traffic during the reconstruction.

This paper presents preliminary results of the VISUM Online validation. It compares traffic conditions estimated by VISUM Online to measured data. The results show that VISUM Online produces comparable traffic measures.

This project developed a simple and cost-effective rural RSAR program. The RSAR program was developed to identify critical safety issues and to assess the level of auditor expertise needed. The specific issues of needed safety improvements and the urgency of implementing these improvements have been...

This project investigates alternate forms of dissemination for the accident information. Costs, capabilities, and compatibility are reviewed for integration of the accident database with a GIS format to allow a graphical and spatial interface. The issues being addressed by this research focus on information...

This study examines the cost conditions present in the Class I railroad industry. Recent mergers and merger proposals have brought forth questions regarding the desirability of maintaining competition in areas impacted by horizontal mergers and, similarly, the desirability of end-to-end mergers.

There has been controversy over the relative benefits of coordinating rural transit systems. Initially, it was expected that coordinated systems would experience lower costs and/or offer increased services. Some regional studies have indicated that coordinated systems do not experience decreased costs...

The goals of this study were to depict the continuing educational needs of Region VIII state transportation departments, to devise alternative methods of educational delivery, and to identify and overcome institutional and technological barriers. Surveys of Wyoming and North Dakota transportation department...