State of the Art Reports Reports are the primary result of most research projects. Select below to read .pdf versions of State of the Art reports. These reports were written  between 1987 and 1991 and give overviews of the report subject. Reports that are exceptionally large are broken into several parts. The link will take you to the cover, select the bookmarks tab to see the list of all parts. You will have to download each part individually to have a copy. Printed copies of reports are available in the ATRC Library.   801 Flood Frequency Methods for Arizona Streams: State of the Art 802 Analysis of Flows on Alluvial Fans: State of the Art 803 The Effect of Sublayer Support on the Attainment of Density in an Asphalt Concrete Overlay: State of the Art 804 Alternate Concrete Acceptance Criteria: State of the Art 807 Dust Control on Construction Sites: State of the Art 808 Calibration of Marshall Hammer 809 Safety Effects of Traffic Signal Installations 810 Development of Guidelines for Selecting Cost-Effective Diamond Interchange Control: State of the Art 811 Evaluation of Non-Illuminated Guide Signs 812 State-of-the-Art of Concrete Pavement Patching 814 Scour at Bridge Structures and Channel Aggradation and Degradation Field Measurements 818 Summary of Arizona Department of Transportation Experience with Asphalt Rubber 820 Capacity of Dual Left-Turn Lanes: State of the Art 821 Effect of Right Turning Vehicles on Traffic Signal Volume Warrants: State of the Art 822 Right of Way Procedure Methods Improvements 826 Loop Detector Sensitivity Variation Due to Burial Depth: State of the Art 828 Evaluation of Traffic Operation Countermeasures to Reduce Air Pollution: State of the Art 829 Evaluation of Monotube Sign Support Structure 832 Roller Compacted Concrete Pavement 833 Bridge Expansion Joints and Joint Guard Angles 835 Analysis of Median Lighting 836 Spacing of Raised Reflective Pavement Markers 839 Nuclear Density Testing of Granular Materials 840 Low-Volume Roads Rehabilitation Strategies Documents are posted as they become available in PDF format, which requires Adobe Reader to view.