Connecting Fleets using On- Board Units (OBUs) and Roadside - PowerPoint PPT Presentation

Connecting Fleets using On- Board Units (OBUs) and Roadside Equipment (RSEs) Asfand Siddiqui Division of Research, Innovation and System Information California Department of Transportation (Caltrans)

Presentation Map • RSU Installation Efforts  Palo Alto Test-Bed  San Diego Area  Orange County Area • OBU Installation Efforts  Valley Transport Authority TSP  Bus on Shoulder • Lessons Learned 2

Palo Alto Test Bed / RSU • Established in 2005 • Caltrans, PATH and MTC Partnership • Sixteen existing intersections  Broadcasting SPaT, MAP, RTCM and RSM Messages  Accepts BSM and Service Request Message (SRM)  SCMS implementation in progress • Fifteen additional intersections are planned 3

Palo Alto Test Bed / RSU • With 31 consecutive intersections, the total length of the test-bed will be about 7 miles long • Applications under testing Phase • Red Light Violation Warning over Cellular • Conditional TSP for VTA (DSRC based) • Transit Eco Approach and Departure (DSRC based) • Reduced Speed Zone and Lane Closure Warning (DSRC based) 4

San Diego Area / RSU • The San Diego AV Proving Ground  Collaboration between SANDAG, Caltrans and City of Chula Vista  Consists of:  I-15 Express Lanes  SR 125  City of Chula Vista 5

San Diego Area / RSU • 25 RSU are planned to be installed by June 2020 on 1-15. • 10 OBUs are planned to be installed on Caltrans maintenance vehicles. • Planned Applications  V2X Queue Warning  V2X Expanded CMS Message 6

Orange County Area / RSU • Caltrans District 12  120 RSUs are in design stage.  All CCTV locations on the I- 5, SR57 and SR91 will be installed with 120 RSUs.  52 Additional RSUs will be installed on various intersections in district 12.  Completion is Sep-Oct 2020  Applications are in initial stages. BSM acceptance is planned. 7

OBU Efforts / Transit Signal Priority (TSP) • Valley Transportation Authority (VTA) and Caltrans joint venture • Buses on Route 22 will be equipped with OBUs that will send the SRM to RSU • TSP is conditional. The RSU will give priority based on predefined policy. 8

OBU Efforts / Bus on Shoulder • Implementation in progress on SR-94 west of highway 805. • Sand Diego Metro buses will be equipped with OBUs to communicate with the On-Ramp RSU to hold the traffic while the bus passes the conflict zone. • OBUs have been installed on the busses. • RSU design is complete. • Ramp controller software upgrade is in process. • The system will work only at the commute times or if the traffic on the GP lanes is running below the 35 MPH. 9

Understanding Upgrade • 2070 Software updates  How to connect with the DSRC radio  Ramp Metering software updates for bus on shoulder application • 2070 Hardware  Migration from OS-9 to Linux  Two CPU solution  Caltrans Spec is ready to be published • Constricted Conduits 10

Understanding Upgrade • Backhaul availability  The curious case of road barrier • DSRC vs C-V2X 11

Questions 12