250 Qty. Niblick Road Complete and Sustainable Streets Corridor Plan Prepared for the City of Paso Robles Submitted by W-Trans November 2, 2020 TRAFFIC ENGINEERING TRANSPORTATION PLANNING Balancing Functionality and Livability since 1995 w-trans.com Table of Contents Introduction and Setting ........................................................................................................................................................ 1 Planning Context .................................................................................................................................................................... 10 Existing Transportation Conditions ................................................................................................................................. 14 Community Engagement .................................................................................................................................................... 21 Best Practices and Potential Improvement Measures ............................................................................................... 26 Development and Refinement of Alternatives ............................................................................................................ 32 Recommended (Preferred) Plan ........................................................................................................................................ 43 Cost Estimate of Recommended Plan ............................................................................................................................. 52 Implementation and Funding ............................................................................................................................................ 53 Study Participants and References ................................................................................................................................... 56 Figures 1. Study Area .................................................................................................................................................................................... 3 2. Existing Traffic Volumes ......................................................................................................................................................... 15 3. Recommendations ................................................................................................................................................................... 48 Tables 1. Existing Intersection Auto Levels of Service .................................................................................................................... 16 2. Existing Roadway Segment Operations ........................................................................................................................... 17 3. Observed Existing Roadway Speeds .................................................................................................................................. 18 4. Existing Intersection Auto Levels of Service .................................................................................................................... 19 5. Construction Cost Estimates Summary ............................................................................................................................ 52 Plates 1. Simulation of Westbound Niblick on Bridge ..................................................................................................................... 4 2. Eastbound, West of Bridge ..................................................................................................................................................... 4 3. Westbound, East of Bridge ..................................................................................................................................................... 4 4. Westbound, West of Shopping Center .............................................................................................................................. 4 5. Eastbound, East of Shopping Center .................................................................................................................................. 4 6. Westbound, West of Quarterhorse Lane ........................................................................................................................... 5 7. Eastbound, East of Quarterhorse Lane ............................................................................................................................... 5 8. Simulation of Westbound Niblick Road at Quarterhorse Lane .................................................................................. 5 9. Simulation of Eastbound Niblick Road at Appaloosa Drive ........................................................................................ 6 10. Westbound, East of Melody Drive ....................................................................................................................................... 6 11. Eastbound, West of Creston Road ....................................................................................................................................... 6 12. Westbound, East of Creston Road ....................................................................................................................................... 7 13. Eastbound, East of Creston Road ......................................................................................................................................... 7 Niblick Road Complete and Sustainable Streets Corridor Plan November 2, 2020 i 14. Paso Express Routes ................................................................................................................................................................. 9 15. Paso Robles High School Safe Routes to School Inventory ....................................................................................... 13 16. Hourly Traffic Volumes on Niblick Road at East End of the Bridge ......................................................................... 14 17. Corridor Travel Time ............................................................................................................................................................... 18 18. Student Recommended Solutions .................................................................................................................................... 23 19. Pop-Up Demonstration ......................................................................................................................................................... 24 20. Recommendations Presented at the Workshop Presentation ................................................................................. 25 21. Existing Lane Configuration ................................................................................................................................................ 34 22. Alternative A – Enhance Existing Striping ....................................................................................................................... 34 23. Alternative B – Lane Standardization with Buffered Space ...................................................................................... 34 24. Alternative C – Lane Standardization with Raised Multi-Use Path ......................................................................... 34 25. Existing Cross Section Eastbound at Appaloosa Drive ............................................................................................... 35 26. Alternative A Cross Section Eastbound at Appaloosa Drive ..................................................................................... 35 27. Alternative B Cross Section Eastbound at Appaloosa Drive ..................................................................................... 36 28. Alternative C Cross Section Eastbound at Appaloosa Drive ..................................................................................... 38 29. Preferred Plan Westbound on the Bridge ....................................................................................................................... 44 30. Preferred Plan Westbound at Quarterhorse Lane ........................................................................................................ 44 31. Preferred Plan Westbound at Appaloosa Drive ............................................................................................................ 45 32. Sherwood Road - Existing Cross Section ......................................................................................................................... 45 33. Sherwood Road - Alternative 1 ........................................................................................................................................... 46 34. Sherwood Road - Alternative 2 ........................................................................................................................................... 46 35. Sherwood Road - Alternative 3 ........................................................................................................................................... 46 36. Sample 30% Design Plan Sheet .......................................................................................................................................... 47 Appendices A. Traffic Counts and Speeds B. Signal Timing Sheets C. Synchro Output Sheets D. Warrant Analysis Sheets E. Intersection Queuing F. Travel Time Data Sheets G.