1. Arterial Travel Times Using Bluetooth Detection Presented by Amit Sidhaye, P.E., PTOE Project Manager SIGNAL SYSTEMS & ITS ARLINGTON COUNTY May 16, 2013

2. Arterial Travel Times Using Bluetooth Detection Presentation Overview System Overview Design & Integration Process DMS Applications Lessons Learned

3. Arterial Travel Times Using Bluetooth Detection How we got to where we are today… System Engineering (2010) RFI (December 2010) System Design (2010-2011) RFP (March 2012) Construction (Ongoing) Full Deployment (Summer 2013)

4. Arterial Travel Times Using Bluetooth Detection RFI – December 2010 No constraint on technology Focus on Arterial experience 3 vendors participation for demo Add KHA RFI Details

5. Arterial Travel Times Using Bluetooth Detection RFI Data Collection

6. Arterial Travel Times Using Bluetooth Detection RFI Data Collection

7. Arterial Travel Times Using Bluetooth Detection Project Flow RFI Vendor Demonstration Concept of Operations Rule 940 Checklist DesignConstruction

8. Arterial Travel Times Using Bluetooth Detection Lee Hwy – 5.3 miles Rt. 50 – 4.5 miles Col. Pike – 3.2 miles Number of Detectors – 6 Number of VMS – 2 Communication – Fiber & Wireless Corridor AADT – 57,500 Location of server – Arlington County – Traffic Management Center (TMC) First Deployment – Rt. 50

9. Arterial Travel Times Using Bluetooth Detection Bluetooth Travel Time System - Basics

10. Arterial Travel Times Using Bluetooth Detection Arlington’s System Vantage Velocity (Iteris) Bluetooth detectors Daktronics Signs (w/ Vanguard Travel Time module) Detectors on wireless modems and fiber

11. Arterial Travel Times Using Bluetooth Detection Data Flow

12. Arterial Travel Times Using Bluetooth Detection System Calibration One size fits all approach may not work. Consider variance, volume, and roadway characteristics.

13. Arterial Travel Times Using Bluetooth Detection Data Sharing / Reporting XML / CSV feeds Web portal with map and report Graphical report features

14. Arterial Travel Times Using Bluetooth Detection DMS Messages Updated every 3 minutes Time stamped messages No messaging during extreme off peak hours

15. Arterial Travel Times Using Bluetooth Detection Early System Results Good data for travel time analysis for 24 hour test The # of matches from total matches from end-to-end in each direction was lower than expected based on the total number of matches for the individual segments. Need adjustment of standard omni-directional antenna used at Rt. 50 & Glebe Rd.

16. Arterial Travel Times Using Bluetooth Detection Application Accurate Travel Time information Signal Optimization – Before & After travel time runs Alternate route choice Regional integration Incident management Transit arrivals reporting Origin-Destination data Affects driver behavior

17. Arterial Travel Times Using Bluetooth Detection Lessons Learned Early IT department involvement DMS infrastructure Specifications follow up Knowledgeable contractor Back up support

18. Arterial Travel Times Using Bluetooth Detection Questions? Contact: Amit Sidhaye, PE, PTOE (asidhaye@arlingtonva.us) Project Manager, Signal Systems & ITS 703-228-3730 Arlington County, VA