1. Portland State University 11 By Maisha Mahmud Li Huan Evaluation Of SCATS Adaptive Traffic Signal Control System

2. Portland State University 22 Outline  Introduction  Objective of the Project  Analysis( What we need to do)  What we did so far  Future Work

3. Portland State University 33 Introduction City of Gresham implemented the Sydney Coordinated Adaptive Traffic System (SCATS) as the adaptive traffic signal control system in an effort to reduce vehicle delays, travel times, cycle failures and number of stops. City of Gresham implemented the Sydney Coordinated Adaptive Traffic System (SCATS) as the adaptive traffic signal control system in an effort to reduce vehicle delays, travel times, cycle failures and number of stops.

4. Portland State University 44 Objective of the Project Evaluate the potential benefits of the adaptive traffic signal control system deployed along east Burnside Road in Gresham. Evaluate the effectiveness of the SCATS system by comparing with two other traffic signal operating system (TOD & TOD-SCATS). Previously collected data for the comparison of travel time, vehicle delay, cycle failures and number of stops will be analyzed and compared for each traffic signal operating mode.

5. Analysis (What we need to do)  Comparison of Travel Time, Delay, number of stops for SCATS,TOD- Wapiti, and TOD-SCATS. -- Comparisons will be for both 1 and 2hr durations for each route and direction. -- Comparisons will be for both 1 and 2hr durations for each route and direction.  Analysis of Vehicle Delay Surveys (From video)  24 hour and peak hour Volume Comparison (From SCATS Traffic Reporter) --by day, by day of week, by weekday VS. weekday and by Weekend VS. Weekend --by day, by day of week, by weekday VS. weekday and by Weekend VS. Weekend  Comparison of SCATS volumes with 24 hour tube counts. --Evaluate count data provided by the SCATS system via inductive loop detectors at several intersections versus 24 hour tube counts conducted by lane on Burnside road. --Evaluate count data provided by the SCATS system via inductive loop detectors at several intersections versus 24 hour tube counts conducted by lane on Burnside road.  Volume weighted travel time comparison.  Comparison of SCATS volumes with manual count from video. --Comparison between count data (by SCATS system) via inductive loop detectors and manual counts conducted by historical video. --Comparison between count data (by SCATS system) via inductive loop detectors and manual counts conducted by historical video.

6. EASTBOUND/WESTBOUND STUDY ROUTE 1 (BURNSIDE CORRIDOR) 6 6 Project Route EASTBOUND/WESTBOUND STUDY ROUTE 2 (BURNSIDE CORRIDOR) EASTBOUND/WESTBOUND STUDY ROUTE 3 (BURNSIDE CORRIDOR) Travel Time Analysis

7. Time Period 10-12 am 2-4 pm Time Period 8-10 am 12-2 pm 4-6 pm weekday Friday Weekend 1 hour 2 hour Time Period 8-10 am 12-2 pm 4-6 pm Travel Time Analysis 7

8. Travel Time Analysis (What we done so far) TOD Wapiti SCATS TOD-SCATS Route 1 Route 2 Route 3 East Bound West Bound weekday Friday Weekend Travel Time Delays Number of Stops Percentage Change 1 hour / 2 hour Standard Deviation 8 Portland State University

9. Data preparation (volume data inputted into Excel from SCATS Reporter) Data preparation (volume data inputted into Excel from SCATS Reporter)  24 hour and peak hour volume comparison  Tube count comparison  Volume weighted Travel Time Volume Analysis (What we done so far) 9 Portland State University

10. 10 Results Travel Time Comparison

11. Ave.Min.Max.SD. weekend 10-11 am route1 EB TOD27320135864.8 SCATS26721336041.9 TOD-SCATS33824939243.2 WB TOD26218934149.0 SCATS27321934536.9 TOD-SCATS38334542629.8 route2 EB TOD25823030622.5 SCATS21919925525.7 TOD-SCATS23114831749.9 WB TOD18214324834.5 SCATS17715321420.3 TOD-SCATS18912826140.2 route3 EB TOD19314923628.6 SCATS19916826239.7 TOD-SCATS22615329155.3 WB TOD16010224443.3 SCATS1349816321.0 TOD-SCATS15411022536.4 Statistic Analysis on Travel Time Comparison

12. Results Travel Time Percentage Change Portland State University 12

13. Portland State University 13 Results Stop Delay Comparison

14. Results Stop Delay Percentage Change Portland State University 14

15. Portland State University 15 Results Number of Stops Comparison

16. Portland State University 16 Results Number of Stops Percentage Change

17. Portland State University 17 What we are going to do Future Work -SCATS Traffic Reporter Volume Comparison by Day, Month & Week. -SCATS Traffic Reporter Volume Peak Hour(7- 9am,4-6 pm) Comparison by Day, Month & Week. -SCATS Volume Vs 24 hr tube count. -Volume weighted travel time Comparison. -SCATS Volume Vs manual count (video data) comparison.