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18/07/08
The NYC Taxi System:Privacy vs. Utility
Presented by Nick Leghorn
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The Taxi: An NYC Icon
http://www.personal.psu.edu/users/m/x/mxk5088/
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In this presentation...
□ All about the NYC taxi system□ The T-PEP system
◊ Issues with pen and paper reporting (1930s-2006)
◊ The solutions and concerns about implementation
□ What's coming in the future?
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My Qualifications
□ 2 month internship with the NYC Taxi and Limousine Commission
□ Original research in the field
□ Security and Risk Analysis major
Nick Leghorn
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18/07/08
A taxi is just a taxi,right?
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Taxis in NYC: Yellow Cabs
□ Heavily regulated by TLC and NYC
□ Cash or credit
□ Fleet, DOV, and Independents
□ Hail only abc.net.au
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Taxis in NYC: Livery Cabs
□ Commonly referred to as “community cars”
□ Cash or credit
□ Dispatch only
http://www.thedctraveler.com
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Taxis in NYC: Black Cars
□ Corporate or private use
□ Dispatch only□ Rates set by
contract
http://www.jaguarlimousineservices.com/
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More about yellow cabs
□ 13,000+ medallions
□ Maximum lifespan of average taxi: 5 years
□ 200-point inspection 3 times a year
□ Most taxis operate in 2 shifts, 24/7
Crown VictoriaPT CruiserChevrolet Up-landerDodge Grand CaravanHonda OdysseyLexus RX 400Mercury MarinerNissan Altima HybridSaturn Vue HybridToyota Sienna
Taxi 07: Roads Forward
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A little about the riders
□ Roughly 17,500 riders every hour
□ Average distance: 2.88 miles
□ Average fare: $11.63 ◊ Average tip: ~10%
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
14000
15000
16000
17000
18000
19000
20000
Average riders per hour per daySources:
WCBSTLC
www.schallerconsult.comTLC Commission Meeting
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A little about hacks...
□ 97% male□ 50% have driven 5
or more years□ Average age: 45□ Work ~9.5 hour
shifts, stopping only for food and gas
□ Majority are immigrants
Dominican RepublicUSAPakistanEcuadorIndiaChinaBangladeshHait iRussiaEgypt
Source: Taxi 07 Roads ForwardBased on sample data
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And now, the interesting part...
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Problems with pen and paper reporting
□ Lack of useable data for regulatory purposes
□ Lack of universal credit card payment system
□ Riders wanted to watch their progress□ The backseat ain't too pretty
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http://gothamist.com/attachments/jen/2008_01_taxirules.jpg
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15TLC
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The solution?
T-PEPTechnology
Passenger Enhancements
Project
(GPS)
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The PIM
□ Updated daily with important information
□ Real-time GPS position
□ Currently 3 different companies
http://cityroom.blogs.nytimes.com/
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SMS messages to the cab
□ Short messages can be sent to specific cabs
□ Traffic alerts, fare opportunities, emergency information◊ Not everyone listens
to 1010 WINS
Digital Dispatch
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Credit card payment systems
□ Cabs no longer predominantly cash only
□ Wireless credit card authorization
□ All major credit cards accepted
□ Payments under $25 do not require a signature
http://lh5.ggpht.com/_D1pjmtQP73A/Ro186buyQfI/AAAAAAAABpk/-
tzjdzC_Bfk/IMG_8816.JPG
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In-Cab GPS
□ Constantly updated position
□ Automatic tripsheet generation
□ Easy fleet management
□ Seen by fleet or owner only
Digital-Dispatch.com
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Constantly updated
digital-dispatch.com
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Concerns
□ Wireless payment problems◊ Dead spots
◊ Authorizations time out in 25 seconds● Most payments are 2-3 seconds● Maximum time when in range: 7 seconds
◊ Queue for auto-authorize
◊ Card number storage / transmission◊ Card numbers stored by 3rd party companies
● Compliance with PCI industry standards◊ Transmission over cell network
● Illegal in US to listen to cell phone frequencies
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Concerns
□ Canyon effect◊ TLC requires 95%
minimum accuracy◊ The middle of New
York harbor is not usually a good drop-off point
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Concerns
□ Tracking drivers everywhere they go?◊ By contract, GPS data only collected at pickup
and drop-off◊ “Breadcrumbs” every few seconds, stored by
companies, never received by TLC
□ GPS + Credit card = tracking citizens?◊ Initial data collection and storage handled by
3rd party◊ Only last 4 digits received by TLC◊ 3 separate companies
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Slightly helpful network diagram
Yellow taxi Cabs
System servers
TLC Server
Filter
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Taxi strike
http://www.daylife.com/photo/0d7p4oHaB4bi1
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18/07/08
Benefits to the customer, the driver, and the industry:
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Lost items not lost for long
□ All T-PEP trips logged◊ Location data, fare amount, medallion number,
last 4 digits of credit card, time the trip occurred
□ TLC operators can locate taxi within minutes with proper information◊ TLC reached by calling 311
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Statistics
□ Data available helps set cab fare◊ Better targeted fares◊ Better targeted lease rates
□ Evaluating implementation of projects◊ Hybrids◊ Accessible dispatch◊ Effects of incentives
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Other projects
□ Mandatory 25 MPG (City) by October for new yellow taxis◊ 30 MPG by the following year◊ Black cars: same requirements starting
January 2009
□ Accessible dispatch program
□ Taxi of Tomorrow
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What's coming in the future?
Lictaxi.com
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What's coming in the future?
begobcn3.blogspot.com
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What's coming in the future?
jalopnick.com
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What's coming in the future?
autoblog.com
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What's coming in the future?
autoblog.com
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What's coming in the future?
StandardTaxi.com
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What's coming in the future?
StandardTaxi.com
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Special thanks
□ The New York City Taxi and Limousine Commission
□ Bear Stearns Co.□ JP Morgan Chase
□ 2600 and The Last HOPE
□ Dr. Skippy T.W.D.□ Cathrine Muller□ NYC DMV
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Questions?
Presentation, bibliography, and more information at:
Blog.NickLeghorn.com
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Tips for taxis
□ Use the avenues
□ Look around the cab
□ Always get a receipt
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How to get a hack license
□ Class A, B, C, or E license□ Be eligible
◊ No outstanding fines/balance with NYC◊ Child support supplement◊ US citizen◊ No arrests / convictions
□ Fingerprints taken and drug test□ 24/80 hour Taxi School (~$100-$500)□ 6 hour defensive driving course
Source: MasterCabbie.com