PROGRAM OVERVIEW 03/26/2019 Page 1 of 16 FINAL PRESENTATION - PowerPoint PPT Presentation

FINAL PRESENTATION PIMA COUNTY TRANSPORTATION ADVISORY COMMITTEE FY19-20 Pavement Program Roadway Prioritization MARCH 26, 2019 PROGRAM OVERVIEW 03/26/2019 Page 1 of 16

FINAL PRESENTATION Prioritization Methodology • Worst First (Repair Only) • Maximize Miles (Preservation Only) • Combination (Keep Good Roads Good) 03/26/2019 Page 2 of 16

FINAL PRESENTATION Two Programs – Two Different Methodologies • RLRRP (Property Tax) – Maximize Miles (local roads only) • HURF Bond (DOT-59) – Worst First (Arterials & Collectors) System/Network Based Approach Need a tool that is: • Robust (Roughly 1900 miles, mixed classification) • Reacts to funding changes • Objective – looks at road condition, maintains overall system condition index 03/26/2019 Page 3 of 16

FINAL PRESENTATION StreetSaver • Robust: • Developed by MTC (Metropolitan Transportation Commission), the PAG of the San Francisco Bay Area to help maintain city and county roadways and street • Reacts to funding changes: • Flexible to encompass available funding per jursidiction • Objective: • Uses road condition index, effective treatments, network level assignment • Compares different scenarios to show impact of decisions 03/26/2019 Page 4 of 16

FINAL PRESENTATION StreetSaver Illustration: Example Graph: Effectiveness Based on PCI-Time Curve Impact of Funding Levels on Condition 03/26/2019 Page 5 of 16

FINAL PRESENTATION StreetSaver Example Graph: Example Graph: Effect of Funding Levels on Backlog Impact of Funding Levels on Deferred Need 03/26/2019 Page 6 of 16

FINAL PRESENTATION Current Network Dashboard 03/26/2019 Page 7 of 16

FINAL PRESENTATION Current PCI Breakpoints 03/26/2019 Page 8 of 16

FINAL PRESENTATION Current Decision Tree 03/26/2019 Page 9 of 16

FINAL PRESENTATION Scenarios • Ran 5 different scenarios of the projected 5-year pavement preservation contracts allocations • Scenario 1 – Arterials & Collectors • Scenario 2 – Arterials & Collectors, Split by BOS District • Scenario 3 – All Roads, Split by Classification • Scenario 4 – All Roads, Split by BOS District & Classification • Scenario 5 – All Roads StreetSaver Best Practice 03/26/2019 Page 10 of 16

FINAL PRESENTATION Scenario 1 03/26/2019 Page 11 of 16

FINAL PRESENTATION Scenario 2 03/26/2019 Page 12 of 16

FINAL PRESENTATION Scenario 3 03/26/2019 Page 13 of 16

FINAL PRESENTATION Scenario 4 03/26/2019 Page 14 of 16

FINAL PRESENTATION Scenario 5 03/26/2019 Page 15 of 16

FINAL PRESENTATION Questions? Contact Information: robert.lane2@pima.gov 03/26/2019 Page 16 of 16