Application II:

Network‐wide Mobility Benefits of Connected Vehicle Technology

Mobility and Network Routing

Presenter: Shangjia Dong

Outline

Background

Objective

Methodology

PreliminaryResults

Conclusion

Background

http://www.automotiveworld.com/analysis/dot‐suggests‐us‐standardisation‐of‐connected‐vehicle‐devices‐and‐roadway‐systems/

• Vehiclespeed• Vehicledensity• Communicationrange

• Marketpenetration• ProbabilityofConnectivity

• …

Objective

• Cost(i.e.,marketpenetration)andbenefits(i.e.,safetyandmobility)inamixedtrafficenvironment(connectedvehicle&non‐connectedvehicle)

• Criticalmarketpenetrationandprobabilityofconnectivityintermsofthesystemtraveltime.

http://autocaat.org/Technologies/Automated_and_Connected_Vehicles/

ConnectedVehicleNetwork

Methodology

• Orangeagent:normalvehicle • Blueagent:connectedvehicle• 10 10 lattice 5 miles 5 miles with1,000vehicles• 10originand10destination100agentsineachorigin• Vehiclearrival: Poissondistributionwith 1800 veh/hr• Maximumdrivingspeed40mph

MP=10 MP=50 MP=90

PreliminaryResults‐ I

PC=100 PC=50

PC=10 MeanTravelTimevs.MarketPenetration

PreliminaryResults‐ II

PreliminaryResults‐ III30%

60%

Conclusion ‐ I

• Increaseofmarketpenetrationandprobabilityofconnectivitywillresultinthedecreaseofthesystemmeantraveltime.

Conclusion ‐ II

• Traveltimereliabilitycanbeenhancedbytheincreaseofmarketpenetration.

• Thereisacriticalmarketpenetrationunderprevailingprobabilityofconnectivitywheremeantraveltimeofthesystemstartsdropping.

Conclusion ‐ III

• ProbabilityofConnectivityhaslargermarginaleffectonMeanTravelTimeperformancethanMarketPenetration.