aTaxis: Demand Management in Middlesex County Emily Rogers Jean Wang
Middlesex County Population 828,919 Pixels generating at least one oTrip 1,174 pixels Area 323 sq miles Average aTaxi Trip length 40.6 miles Median aTaxi Trip length 35.7 miles Person-Trips originating 2,944,438 Rutgers University Perth Amboy New Brunswick 63rd highest median income county Our library reserves are there
Density of Trips Originating in Middlesex Densely populated metropolitan areas
aTaxis in Middlesex Moving with Riders The biggest rush is from the morning and evening commutes. Large student population leads to lot more night travel and lunch trips
High occupancy vehicles used more for morning commute since that is the most uniform departure time
Cumulative Distribution of aTaxi Trip Distances Most trips are pretty short
New Jersey Arrivals and Departures
New Jersey Arrivals and Departures
New Jersey Arrivals and Departures
New Jersey Arrivals and Departures
Middlesex Arrivals and Departures
Middlesex Arrivals and Departures
Middlesex Arrivals and Departures
Middlesex Arrivals and Departures
Rutgers University, New Brunswick Pixel (125,220) Item Value Trip Miles 880,101 All activity 28,660 Home 2,544 Work 13,602 School 12,514 Work School Home (Block Centroid)
2 passenger vehicles
6 passenger vehicles
257,424 Number of 2 passenger vehicles needed
The Problems We can’t see into the future It’s a dynamic scenario Peak hours need significantly more vehicles than any other time of day Constraints on costs No historical perspective
The Approach Started with a ceiling number Cars only come back at the end of the day Start by analyzing each type of vehicle separately Predicted rush hours
The Next Steps Move cars from neighboring pixels Return cars from other counties dynamically Minimize empty vehicle miles