NDSU Dept. 2880 – Fargo, ND 58108 Tel 701-231-8058 – Fax 701-231-1945 www.ugpti.org – www.atacenter.org April 2009 Non-Intrusive Traff
Page 9 Figure 5. Sign-Mounted Sensors RESULTS Several different comparisons were conducted for this study, which include volume, speed, and v
Page 10 Table 2. Lane Volume Comparison Lanes Date Manual SS 105 SS HD RTMSATR SS HD S.M. SS 105 S.M.Count Vol. Diff. Vol. Diff. Vol. Diff.
Page 11 Table 3. Directional Sensor Volume Comparison Lanes Date Manual Count SS 105 SS HD RTMS ATR SS HD S.M. SS 105 S.M.Vol. Diff. Vol. D
Page 12 RTMS speed data. The two SmartSensors’ speed data are similar and realistic, but the RTMS data was significantly different, which was hi
Page 13 Table 6. Vehicle Length Classification Comparison Small Vehicles Volumes Difference Lane Manual SS 105 SS HD RTMS SS 105 SS HD RTMS
Page 14 Table 7. Vehicle Length Classification Comparison 10/1/08 Small Vehicles Volumes Difference Lane Manual SS 105 SS HD RTMS ATR SS
Page 15 Compared to manual counts on the same day, total volume inaccuracies of SmartSensor 105 using the tripod and sign-mount sytems were 2% a
Page 16 compared to manually collected data (0% to 6% for small vehicles, -67% to 36% for medium vehicles, and -70% to 100% for large vehicles).
REFERENCES 1. Dudek, Conrad L.; Suennen, Mark D.; A Traffic Detection Toolkit for Traveler Information Systems. Texas A&M University, Aug
APPENDIX A: SENSOR CONFIGURATION/CALIBRATION GUIDES
Page 1 BACKGROUND Obtaining accurate and timely traffic data is essential to successful transportation operations/planning projects. Several met
Page 1 SmartSensor 105 Installation and Configuration I. Connect to sensor a. Connect the SmartSensor cable to the battery using the positive a
Page 2 ¾ RF Channel – In case there are multiple SmartSensors in close proximity, the user should assign each sensor a different RF Channel. Thi
Page 1 SmartSensor HD Installation and Configuration I. Connect to sensor a. Connect the SmartSensor HD cable to the battery using the positive
Page 2 IV. Lane verification 1. From the “Lane Setup” menu, select “Lane Verification” 2. Side bars on either side of the “Lane Verification” w
Page 1 RTMS Installation and Configuration I. Connect to sensor a. Connect the RTMS cable to the battery using the positive and negative batter
Page 2 e. Do not increase sensitivity to compensate for improper alignment f. Click OK when finished V. If vehicles are inaccurately detected
Page 3 ¾ High resolution occupancy provides occupancy measurements with 0.1% resolution instead of the default 1% resolution ¾ 6 foot emulation
Page 4 Figure 2. RTMS Data Download III. Open the RTC Utility program on the laptop IV. Click DOWNLOAD V. Choose a locat
Page 2 Several benefits exist for using radar for traffic detection. Radar sensors are relatively easy to set up and operate, and they have bee
Page 3 classification for up to 8 lanes of traffic. Vehicle classification is user-defined and can be divided into three length-based classes.
Page 4 Table 1. Sensor Height/Offset Requirements Offset From First Detection Lane (ft) Recommended Mounting Height (ft) SS105 SS125 RTM
Page 5 structure can be set up and taken down in approximately 15 minutes, and all of the components are small enough to be stored in a 6 ft (wid
Page 6 Figure 2. Vehicle Classification Length Ranges (sources 4-9)
Page 7 The study location also includes an existing Automatic Traffic Recorder (ATR), which uses a series of inductive loops to collect data on v
The initiarequired and overexceptionwithin 3-4on the am Figure 4 DetectioTo assistthe interswere initineeded tdue to unthat seveThe durathe amouO
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