1. Network Benefit Cost Analysis: An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study TRB Planning Applications Conference Houston, Texas May 19, 2009

2. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 Project Team Caltrans District 5 Bernardin-Lochmueller System Metrics GroupKimley-Horn Judy Lang, Project Manager Claudia Espino, Coordinator Jeff Berkman, Modeling Andy Richardson, GIS Modeling & NET_BC Cal-B/C Resource Cost Estimation With HQ & District 4 Dean Munn, Task Leader Arben Shasho, Software Dvlpmt Vince Bernardin, Sr., Senior Advisor Chris Williges, B/C Advisor Anush Nejad, Task Leader

3. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 Congestion Analysis Is Not Sufficient for Decision-making ? Scenario 1 Scenario 4

4. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 The Study Area Santa Clara and San Benito Counties SRs 152 & 156 Major east-west routes south of SF Bay Area SR 25 Commuter corridor to Silicon Valley US 101 Major north-south route

5. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 VTA’s Southern Gateway Study What combination of improvements will lead to the most efficient flow of traffic through the region? The challenge:

6. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 Are they economically feasible? Decision Questions Project Cost: $1,051 MProject Cost: $1,324 M If so, which is the better investment?

7. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 Benefit-Cost Analysis @Istockphoto-5467161

8. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 Network User Benefit Cost Analysis Network Benefit Cost is the logical alternative Captures network effects by using travel model Incorporates a wide variety of available data Is efficient for complex and multiple alternatives Can help answer the phasing question

9. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 User Benefit-Cost Analysis Supports Decision-Making User Benefits @iStockphoto 8465949 @iStockphoto 393844 MobilitySafetyOperating Costs Development O&M Project @iStockphoto 4318571 Decision Measures: Benefit/Cost Ratio Net Present Value

10. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 NET_BC Implementation for System Analysis Study Preparation and Customization Travel Demand Model Runs (AMBAG Model) Modified traffic assignments (more iterations) Added signal locations and vertical grade Updated user interface for future analyses NET_BC Preprocessor Customized to attach to AMBAG model Added HOV details and model’s time periods

11. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 NET_BC Implementation for System Analysis Study NET_BC Network User Benefit-Cost Software Fully integrated with TransCAD Calibrated to Caltrans data Modified methodology for California crash rates Modified assumptions to match Cal-B/C

12. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 Parses loaded networks and trip tables for… 4 model runs: No-Build Base Year Build Base Year No-Build Forecast Year Build Forecast Year Multiple modes – auto & trucks NET_BC: Features & Operation Post-processes Model Outputs

13. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 Accepts User-Specified Assumptions Discount rate Analysis period Construction assumptions Costs Mix of truck types Consumer & producer price indices NET_BC: Features & Operation

14. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 Computes and discounts benefits and costs MobilitySafety Vehicle Operating Project Development Operation & Maintenance NET_BC: Features & Operation Benefits Costs @iStockphoto 8465949@iStockphoto 393844

15. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 VHT savings between build and no-build alternatives Mobility Benefits Consumer Surplus Theory applied to induced travel Captured by time-of-day Captured by mode (truck vs. auto) Captured by purpose (work vs. non-work) NET_BC: Mobility @iStockphoto 8465949

16. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 Safety Benefits Methods sensitive to each link’s characteristics Able to use California average accident rates NET_BC: Safety @iStockphoto 393844 Safety benefits computed by fatal, injury, and PDO crash types

17. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 Vehicle Operating Benefits Contain specific cost factors for: Oil Fuel Tire Wear Maintenance Depreciation NET_BC: Vehicle Operating Costs

18. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 Vehicle Operating Benefits Cost factors vary by vehicle type: 4-tire trucks 6-tire trucks 3+ axle semi-trucks 5+ axle semi-trucks Small autos Medium/large autos NET_BC: Vehicle Operating Costs

19. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 Vehicle Operating Benefits Are sensitive to: Stops and starts due to signalization Acceleration/deceleration/idle engine modes Vertical grades Flat, rolling, mountainous Level of congestion – flow density NET_BC: Vehicle Operating Costs

20. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 Produces Detailed Output Report NET_BC: Features & Operation Standard Measures: Benefit/Cost Ratio Net Present Value System and Functional Class Summaries VMT, VHT, congestion indicators, performance indices Mobility, Safety, & Vehicle Operating Cost Benefits Details

21. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 Improvement Scenarios for Network B/C Analysis System Analysis Study On existing alignmentsOn new alignments

22. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 @iStockphoto: 7465953 NET_BC Implementation Process Code networks and run TDM Run pre-processor Run NET_BC

23. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 System Analysis Study Results

24. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 NET_BC Outputs for System Analysis Study Mobility benefits dominate in 2030

25. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 NET_BC Outputs for System Analysis Study For trucks, operating benefits dominate in 2030

26. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 NET_BC Outputs for System Analysis Study Rolling Terrain + Congestion Lower Truck Operating Benefits for Scenario 4

27. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 Conclusions After Using a Network Benefit Cost Approach Standardized tools such as NET_BC produce results that aid in project evaluation and prioritization Results helped focus people on solutions

28. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 Conclusions After Using a Network Benefit Cost Approach Analysis helped D5 staff better understand traffic flows in the region Successful performance of NET_BC in D5 confirmed the merits of modifying NET_BC for Caltrans-wide use Network benefit cost analysis is do-able

29. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 NET_BC for Systems Analysis – Questions? For trucks, operating benefits dominate in 2030 Contacts: Dean Munn dmunn@corradino.com, Judy Lang judy.lang@dot.ca.govdmunn@corradino.com

30. An Overview of the Application of NET_BC Software for Caltrans District 5’s System Analysis Study. TRB Planning Applications Conference, Houston, Texas, May 19, 2009 iStockphotos.com (copyrighted) 393844- PaulCowan 4318571- mypixart 8465949- fotoIE Caltrans Other J. Simek Credits 7465953- slobo 5467161-abu