Using Mbile Ticketing t Estimate an Origin-Destinatin Matrix fr New Yrk City Ferry Service Subrina Rahman, Graduate Student, CCNY James Wng, Vice President/Directr f Ferries, NYC EDC Candace Brakewd, PhD, Assistant Prfessr, CCNY The views and pinins expressed in this presentatin are thse f the authrs and d nt necessarily represent thse f New Yrk City Ecnmic Develpment Crpratin r The City f New Yrk.
Outline Backgrund Research Questin and Objective Surces Methdlgy Results frm OD Estimatin & Survey Cnclusins and Future Research
Backgrund: East River Ferry The ERF cnnects Brklyn and Queens waterfrnts t Manhattan jb centers. Pilt Rute started in 2011 Permanent service started in 2014 8 Landings 30-minute rute length 20-minute peak headways all year Seasnal ff-peak headways 1.4M riders in 2015 ~4,000 riders per day Fare: $4 weekdays, $6 weekends http://www.eastriverferry.cm/rutemap.aspx
Backgrund: Hw des mbile ticketing wrk? Ticket Purchase Ticket Activatin http://www.nywaterway.cm/mbileappdwnlads.aspx
Research Questin and Methd Research Questin: Can we use the backend data frm mbile ticketing systems fr transprtatin planning? Objective: Create rigin-destinatin (OD) matrices f passenger mvements using passively cllected, backend mbile ticketing data and cmpare them t OD matrices frm survey data Perid f Analysis: Octber 2014 (AM Peak, PM Peak, Midday and Weekend) Methd: Onbard survey data Mbile ticketing data Nrmalizatin f data surces (Iterative Prprtinal Fitting) Cmparisn f data surces (Euclidean Distance)
Three surces: Mbile ticketing activatins, Onbard survey, On/ff cunts Example: Mbile Ticketing Ticket Type Time Activated Origin Destinatin 1-Way Weekday 12:01:21 AM Suth Williamsburg East 34th St. 1-Way Weekday 12:02:30 AM Nrth Williamsburg Pier 11 / Wall St. 1-Way Weekday 12:07:42 AM Pier 11 / Wall St. Suth Williamsburg 1-Way Weekday 12:07:51 AM Suth Williamsburg Pier 11 / Wall St. 1-Way Weekday 12:08:50 AM East 34th St. Nrth Williamsburg 1-Way Weekday 12:09:15 AM East 34th St. Nrth Williamsburg 1-Way Weekday 12:15:54 AM East 34th St. Lng Island City 1-Way Weekday 12:17:39 AM East 34th St. Lng Island City 1-Way Weekday 12:17:41 AM Greenpint East 34th St. 30 Day 12:18:12 AM Greenpint East 34th St. 1-Way Weekday 12:18:24 AM East 34th St. Nrth Williamsburg 1-Way Weekday 12:18:29 AM East 34th St. Suth Williamsburg 1-Way Weekday 12:18:44 AM Greenpint East 34th St. 1-Way Weekday 12:18:44 AM Nrth Williamsburg East 34th St. 1-Way Weekday 12:18:54 AM East 34th St. Nrth Williamsburg 1-Way Weekday 12:19:19 AM Nrth Williamsburg East 34th St. 1-Way Weekday 12:19:26 AM East 34th St. Greenpint 1-Way Weekday 12:19:44 AM East 34th St. Nrth Williamsburg 1-Way Weekday 12:21:14 AM Nrth Williamsburg East 34th St. 1-Way Weekday 12:23:33 AM Lng Island City Greenpint Example: Onbard Survey Card LONG ISLAND CITY Please return this card t the staff persn when yu disembark 1. What is the purpse f yur trip tday? Cmmuting Leisure/ fun 2. Hw many trips did yu take n the East River Ferry last week? (Cunt each directin as ne trip.) 4 t 10 2 r 3 11 r mre 0 r 1 First time rider Filling ut the questins belw is ptinal 3. Hw did yu get t the ferry tday? 4. Hw will yu get t yur final destinatin? TO FERRY FROM FERRY Walked Subway Bicycle (lcked near pier) Bicycle (brught n bard) CitiBike Drpped ff by car Drve and parked MTA bus Free shuttle bus Taxi/car service
Ttal Destinatins ( ridership data) Ttal Destinatins Statin 1 Statin 2 Statin 3 Statin 7 Statin 1 Statin 2 Statin 3 Statin 7 Ttal Destinatins ( ridership data) Ttal Destinatins Statin 1 Statin 2 Statin 3 Statin 7 Statin 1 Statin 2 Statin 3 Statin 7 Methdlgy: Cmparisn f Surces Onbard Survey Statin 1 Statin 2 Statin 3 (Onbard survey) Iterative Prprtinal Fitting (IPF) Statin 1 Statin 2 Statin 3 Adjusted OD Matrix (Onbard survey) Statin 7 Ttal Origins ( ridership data) Statin 7 Ttal Origins Mbile Ticketing Statin 1 Statin 2 Statin 3 (Mbile ticketing) IPF Statin 1 Statin 2 Statin 3 Adjusted OD Matrix (Mbile ticketing) Cmparisn f Matrices using Euclidean Distance Statin 7 Ttal Origins ( ridership data) Statin 7 Ttal Origins
Ttal Destinatins ( ridership data) Ttal Destinatins Statin 1 Statin 2 Statin 3 Statin 7 Statin 1 Statin 2 Statin 3 Statin 7 Ttal Destinatins ( ridership data) Ttal Destinatins Statin 1 Statin 2 Statin 3 Statin 7 Statin 1 Statin 2 Statin 3 Statin 7 Methdlgy: Cmparisn f Surces Onbard Survey Statin 1 Statin 2 Statin 3 (Onbard survey) Iterative Prprtinal Fitting (IPF) Statin 1 Statin 2 Statin 3 Adjusted OD Matrix (Onbard survey) Statin 7 Ttal Origins ( ridership data) Statin 7 Ttal Origins Mbile Ticketing Statin 1 Statin 2 Statin 3 (Mbile ticketing) IPF Statin 1 Statin 2 Statin 3 Adjusted OD Matrix (Mbile ticketing) Cmparisn f Matrices using Euclidean Distance Statin 7 Ttal Origins ( ridership data) Statin 7 Ttal Origins
Results: OD Estimatin fr the AM Peak (Onbard survey data) Adjusted OD Matrix (Onbard survey data) Destinatins Origins Pier 11 DUMBO S. Williamsburg N. Williamsburg Green pint Lng Island City E 34th street Ttal Pier 11 DUMBO S. Williamsburg N. Williamsburg Green pint Lng Island City E 34th street Ttal Pier 11 38 0% 1% 0% 1% 1% 0% 0% 2% 38 0% 1% 0% 1% 1% 0% 0% 3% DUMBO 104 7% 0% 0% 1% 0% 0% 1% 8% 104 6% 0% 0% 0% 0% 0% 1% 8% S.Williamsburg 140 3% 2% 0% 0% 0% 0% 6% 11% IPF Methd 140 3% 1% 0% 0% 0% 0% 6% 10% N.Williamsburg 530 14% 3% 0% 0% 0% 0% 21% 38% 530 13% 2% 0% 0% 0% 0% 24% 39% Greenpint 190 6% 2% 0% 0% 0% 0% 6% 15% 190 5% 1% 0% 0% 0% 0% 7% 14% Lng Island City 259 11% 1% 0% 0% 0% 0% 9% 22% 259 9% 1% 0% 0% 0% 0% 9% 19% E 34th St 84 1% 1% 0% 1% 1% 1% 0% 4% 84 2% 1% 1% 1% 1% 1% 0% 6% Ttal 1345 42% 10% 1% 2% 1% 1% 43% 100% 1345 39% 7% 1% 2% 1% 1% 48% 100% Onbard Survey Adjusted OD Matrix (Mbile ticketing data) (Mbile ticketing data) Pier 11 38 0% 2% 2% 5% 1% 3% 1% 15% 38 0% 1% 0% 0% 0% 0% 1% 3% DUMBO 104 3% 0% 0% 1% 1% 0% 2% 7% 104 5% 0% 0% 0% 0% 0% 3% 8% S. Williamsburg 140 3% 1% 0% 0% 0% 0% 4% 8% IPF Methd 140 3% 1% 0% 0% 0% 0% 6% 10% N.Williamsburg 530 14% 1% 0% 0% 0% 0% 17% 32% 530 15% 2% 0% 0% 0% 0% 22% 39% Greenpint 190 6% 1% 0% 0% 0% 0% 7% 14% 190 5% 1% 0% 0% 0% 0% 8% 14% Lng Island City 259 6% 1% 0% 0% 0% 0% 5% 12% 259 9% 1% 0% 0% 0% 0% 9% 19% E 34th St 84 1% 0% 1% 6% 2% 2% 0% 12% 84 1% 1% 1% 1% 1% 1% 0% 6% Ttal 1345 32% 7% 4% 13% 4% 5% 36% 100% 1345 39% 7% 1% 2% 1% 1% 48% 100% Mbile Ticketing
Results: OD Estimatin fr the AM Peak (Onbard survey data) Adjusted OD Matrix (Onbard survey data) Destinatins Origins Pier 11 DUMBO S. Williamsburg N. Williamsburg Green pint Lng Island City E 34th street Ttal Pier 11 DUMBO S. Williamsburg N. Williamsburg Green pint Lng Island City E 34th street Ttal Pier 11 38 0% 1% 0% 1% 1% 0% 0% 2% 38 0% 1% 0% 1% 1% 0% 0% 3% DUMBO 104 7% 0% 0% 1% 0% 0% 1% 8% 104 6% 0% 0% 0% 0% 0% 1% 8% S.Williamsburg 140 3% 2% 0% 0% 0% 0% 6% 11% IPF Methd 140 3% 1% 0% 0% 0% 0% 6% 10% N.Williamsburg 530 14% 3% 0% 0% 0% 0% 21% 38% 530 13% 2% 0% 0% 0% 0% 24% 39% Greenpint 190 6% 2% 0% 0% 0% 0% 6% 15% 190 5% 1% 0% 0% 0% 0% 7% 14% Lng Island City 259 11% 1% 0% 0% 0% 0% 9% 22% 259 9% 1% 0% 0% 0% 0% 9% 19% E 34th St 84 1% 1% 0% 1% 1% 1% 0% 4% 84 2% 1% 1% 1% 1% 1% 0% 6% Ttal 1345 42% 10% 1% 2% 1% 1% 43% 100% 1345 39% 7% 1% 2% 1% 1% 48% 100% Onbard Survey Adjusted OD Matrix (Mbile ticketing data) (Mbile ticketing data) Pier 11 38 0% 2% 2% 5% 1% 3% 1% 15% 38 0% 1% 0% 0% 0% 0% 1% 3% DUMBO 104 3% 0% 0% 1% 1% 0% 2% 7% 104 5% 0% 0% 0% 0% 0% 3% 8% S. Williamsburg 140 3% 1% 0% 0% 0% 0% 4% 8% IPF Methd 140 3% 1% 0% 0% 0% 0% 6% 10% N.Williamsburg 530 14% 1% 0% 0% 0% 0% 17% 32% 530 15% 2% 0% 0% 0% 0% 22% 39% Greenpint 190 6% 1% 0% 0% 0% 0% 7% 14% 190 5% 1% 0% 0% 0% 0% 8% 14% Lng Island City 259 6% 1% 0% 0% 0% 0% 5% 12% 259 9% 1% 0% 0% 0% 0% 9% 19% E 34th St 84 1% 0% 1% 6% 2% 2% 0% 12% 84 1% 1% 1% 1% 1% 1% 0% 6% Ttal 1345 32% 7% 4% 13% 4% 5% 36% 100% 1345 39% 7% 1% 2% 1% 1% 48% 100% Mbile Ticketing
Results: OD Estimatin fr the AM Peak (Onbard survey data) Adjusted OD Matrix (Onbard survey data) Destinatins Origins Pier 11 DUMBO S. Williamsburg N. Williamsburg Green pint Lng Island City E 34th street Ttal Pier 11 DUMBO S. Williamsburg N. Williamsburg Green pint Lng Island City E 34th street Ttal Pier 11 38 0% 1% 0% 1% 1% 0% 0% 2% 38 0% 1% 0% 1% 1% 0% 0% 3% DUMBO 104 7% 0% 0% 1% 0% 0% 1% 8% 104 6% 0% 0% 0% 0% 0% 1% 8% S.Williamsburg 140 3% 2% 0% 0% 0% 0% 6% 11% IPF Methd 140 3% 1% 0% 0% 0% 0% 6% 10% N.Williamsburg 530 14% 3% 0% 0% 0% 0% 21% 38% 530 13% 2% 0% 0% 0% 0% 24% 39% Greenpint 190 6% 2% 0% 0% 0% 0% 6% 15% 190 5% 1% 0% 0% 0% 0% 7% 14% Lng Island City 259 11% 1% 0% 0% 0% 0% 9% 22% 259 9% 1% 0% 0% 0% 0% 9% 19% E 34th St 84 1% 1% 0% 1% 1% 1% 0% 4% 84 2% 1% 1% 1% 1% 1% 0% 6% Ttal 1345 42% 10% 1% 2% 1% 1% 43% 100% 1345 39% 7% 1% 2% 1% 1% 48% 100% Onbard Survey Adjusted OD Matrix (Mbile ticketing data) (Mbile ticketing data) Pier 11 38 0% 2% 2% 5% 1% 3% 1% 15% 38 0% 1% 0% 0% 0% 0% 1% 3% DUMBO 104 3% 0% 0% 1% 1% 0% 2% 7% 104 5% 0% 0% 0% 0% 0% 3% 8% S. Williamsburg 140 3% 1% 0% 0% 0% 0% 4% 8% IPF Methd 140 3% 1% 0% 0% 0% 0% 6% 10% N.Williamsburg 530 14% 1% 0% 0% 0% 0% 17% 32% 530 15% 2% 0% 0% 0% 0% 22% 39% Greenpint 190 6% 1% 0% 0% 0% 0% 7% 14% 190 5% 1% 0% 0% 0% 0% 8% 14% Lng Island City 259 6% 1% 0% 0% 0% 0% 5% 12% 259 9% 1% 0% 0% 0% 0% 9% 19% E 34th St 84 1% 0% 1% 6% 2% 2% 0% 12% 84 1% 1% 1% 1% 1% 1% 0% 6% Ttal 1345 32% 7% 4% 13% 4% 5% 36% 100% 1345 39% 7% 1% 2% 1% 1% 48% 100% Mbile Ticketing
Results: OD Estimatin fr the AM Peak (Onbard survey data) Adjusted OD Matrix (Onbard survey data) Destinatins Origins Pier 11 DUMBO S. Williamsburg N. Williamsburg Green pint Lng Island City E 34th street Ttal Pier 11 DUMBO S. Williamsburg N. Williamsburg Green pint Lng Island City E 34th street Ttal Pier 11 38 0% 1% 0% 1% 1% 0% 0% 2% 38 0% 1% 0% 1% 1% 0% 0% 3% DUMBO 104 7% 0% 0% 1% 0% 0% 1% 8% 104 6% 0% 0% 0% 0% 0% 1% 8% S.Williamsburg 140 3% 2% 0% 0% 0% 0% 6% 11% IPF Methd 140 3% 1% 0% 0% 0% 0% 6% 10% N.Williamsburg 530 14% 3% 0% 0% 0% 0% 21% 38% 530 13% 2% 0% 0% 0% 0% 24% 39% Greenpint 190 6% 2% 0% 0% 0% 0% 6% 15% 190 5% 1% 0% 0% 0% 0% 7% 14% Lng Island City 259 11% 1% 0% 0% 0% 0% 9% 22% 259 9% 1% 0% 0% 0% 0% 9% 19% E 34th St 84 1% 1% 0% 1% 1% 1% 0% 4% 84 2% 1% 1% 1% 1% 1% 0% 6% Ttal 1345 42% 10% 1% 2% 1% 1% 43% 100% 1345 39% 7% 1% 2% 1% 1% 48% 100% Onbard Survey Adjusted OD Matrix (Mbile ticketing data) (Mbile ticketing data) Pier 11 38 0% 2% 2% 5% 1% 3% 1% 15% 38 0% 1% 0% 0% 0% 0% 1% 3% DUMBO 104 3% 0% 0% 1% 1% 0% 2% 7% 104 5% 0% 0% 0% 0% 0% 3% 8% S. Williamsburg 140 3% 1% 0% 0% 0% 0% 4% 8% IPF Methd 140 3% 1% 0% 0% 0% 0% 6% 10% N.Williamsburg 530 14% 1% 0% 0% 0% 0% 17% 32% 530 15% 2% 0% 0% 0% 0% 22% 39% Greenpint 190 6% 1% 0% 0% 0% 0% 7% 14% 190 5% 1% 0% 0% 0% 0% 8% 14% Lng Island City 259 6% 1% 0% 0% 0% 0% 5% 12% 259 9% 1% 0% 0% 0% 0% 9% 19% E 34th St 84 1% 0% 1% 6% 2% 2% 0% 12% 84 1% 1% 1% 1% 1% 1% 0% 6% Ttal 1345 32% 7% 4% 13% 4% 5% 36% 100% 1345 39% 7% 1% 2% 1% 1% 48% 100% Mbile Ticketing
Cmparisn f Survey & Mbile Ticketing OD Matrices 0.100 Euclidean Distance (Final IPF Matrices) 0.080 0.060 0.040 0.020 0.000 AM Peak Midday PM Peak Weekend
Cmparisn f Survey & Mbile Ticketing OD Matrices 0.100 Euclidean Distance (Final IPF Matrices) 0.080 0.060 0.040 0.020 0.000 AM Peak Midday PM Peak Weekend
Results frm the Survey 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% Trip Purpse 3% 12% 44% 92% 83% 69% 40% 13% AM Peak Midday PM Peak Weekend Cmmuting Leisure /Fun N Respnse 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% 71% Trips/Week n the East River Ferry 35% 14% 18% 8% 9% 57% 45% 27% AM Peak Midday PM Peak Weekend 11 r mre 4 t 10 2 r 3 0 r 1 First time rider N Respnse
Results frm the Survey 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% Trip Purpse 3% 12% 44% 92% 83% 69% 40% 13% AM Peak Midday PM Peak Weekend Cmmuting Leisure /Fun N Respnse 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% 71% Trips/Week n the East River Ferry 35% 14% 18% 8% 9% 57% 45% 27% AM Peak Midday PM Peak Weekend 11 r mre 4 t 10 2 r 3 0 r 1 First time rider N Respnse
Results frm the Survey 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% Trip Purpse 3% 12% 44% 92% 83% 69% 40% 13% AM Peak Midday PM Peak Weekend Cmmuting Leisure /Fun N Respnse 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% 71% Trips/Week n the East River Ferry 35% 14% 18% 8% 9% 57% 45% 27% AM Peak Midday PM Peak Weekend 11 r mre 4 t 10 2 r 3 0 r 1 First time rider N Respnse
Cnclusins and Future Research Cnclusins OD matrices frm mbile ticketing and survey data clsely align during peak perids Survey data shws that the majrity f peak perid passengers are cmmuters and/r regular passengers Mbile ticketing data is likely t prvide the mst reliable travel behavir infrmatin during peak perids when travel patterns are mre cnsistent Mbile ticketing data can cmpliment (and in sme cases, perhaps substitute fr) survey data Future Research Expand t additinal ferry rutes / ther transit systems Identify ther planning / peratins uses fr mbile ticketing data
Questins? Email cbrakewd@ccny.cuny.edu Rahman, Wng and Brakewd (2016). Use f Mbile Ticketing t Estimate an Origin-Destinatin Matrix fr New Yrk City Ferry Service. Transprtatin Research Recrd: Jurnal f the Transprtatin Research Bard, Vlume 2544, pp. 1-9.
Methdlgy: Iterative Prpsal Fitting Iterative prprtinal fitting (IPF) t create rigin-destinatin (OD) matrices A seed matrix frm baseline OD data is gradually adjusted t match passenger barding and alighting vlumes that are shwn n the marginals f the matrix Rw Adjustment P ij(k+1) = Pij k j Pij k * Q i P ij(k+2) = Clumn Adjustment Pij k i Pij k * Q j where P ij(k) = a single element f OD matrix, i,j,k = rw, clumn, and iteratin serial number, respectively, and Q i,q j = marginal rw ttals and marginal clumn ttals, respectively.