Advanced Toll Modeling Presented By Jim Fennessy Associates

Advanced Toll Modeling Presented By Jim Fennessy Associates For Toll Subcommittee July 14, 2010 1

Miscellaneous Toll Modeling Developments v Open Road Tolling (TOLDATA file additional fields) v Hot-Lane (Value Pricing) Tolls v Ramp-to-Ramp v Distance-Based Tolls v Discrete Tolls – Toll based upon the number of toll facilities crossed v Congestion-Pricing Tolls 2

Distance-Based and Discrete Tolls v Not currently used by Florida’s Turnpike 3

Congestion-Pricing Toll Modeling v Internal to the Assignment Process – Iteration Toll Rate Calculations based upon Congestion – Intra-iteration (Lambda Calculations) v Turnpike-Sponsored TRANPLAN Modifications v Rates Variable by Toll Agency (Company) v Suspended by Economy Downturn 4

Open Road Toll Modeling v Voyager Script Checks – Impedance inputs to both TRANPLAN and Voyager identical – Single Iteration assignments are essentially identical 5

Open Road Toll Modeling v Reasonableness Check – Northbound Link Voyager Tranplan Diff % diff Start 8, 762 9, 469 -707 -8. 07% Middle Link 1 7, 489 7, 374 115 1. 54% Middle Link 2 18, 694 18, 182 512 2. 74% Middle Link 3 23, 561 23, 907 -346 -1. 47% End 14, 980 14, 271 709 4. 73% 6

Open Road Toll Modeling v Reasonableness Check – Southbound Link Voyager Tranplan Diff % diff Start 4, 730 4, 114 616 13. 02% Middle Link 1 10, 759 10, 494 265 2. 46% Middle Link 2 17, 601 16, 678 923 5. 24% Middle Link 3 24, 082 26, 479 -2397 -9. 95% End 15, 955 15, 122 833 5. 22% 7

HOT Lane Tolls v Voyager Script Checks – Impedance inputs to both TRANPLAN and Voyager identical – Single Iteration assignments are essentially identical 8

Hot Lane Tolls v Reasonableness Check – Sample Links 9

Ramp-to-Ramp Tolls v Software to convert TRANPLAN input data to Voyager format v Single toll company for one iteration produced identical results v All toll companies failed – network coding is a problem for Voyager (Citilabs to review) v Reporting features needed (Citilabs to review) 10

Ramp-to-Ramp Tolls v Reasonableness Check – Sample Link Voyager Tranplan Diff % diff NB 9, 320 7, 793 1527 16. 38% SB 14, 042 13, 330 712 5. 07% 11

Advance Toll Modeling v Questions? 12