1. Exit 17 Transportation Plan August 22, 2006 Exit 17 Transportation Plan Prepared for: Town of Colchester and CCMPO August 22, 2006 Selectboard Meeting

2. Exit 17 Transportation Plan August 22, 2006 2 Presentation Overview 1.Study Purpose/Study Area 2.Traffic Forecasts –How traffic projections were developed –Effect of Circ and Milton Exit 3.Design Alternatives 4.Phasing Plan & Recommendations 5.Next Steps

3. Exit 17 Transportation Plan August 22, 2006 3 Study Purpose To develop a transportation plan for the Exit 17 Growth Center that: –Assumes wastewater system is implemented; –Accounts for effect of Circ Highway and New Milton Interchange; and –Presents a comprehensive list of projects to accommodate desired growth.

4. Exit 17 Transportation Plan August 22, 2006 4 Study Area Consistent with G-4 Zoning District State Highways Study Intersections –US 2/US 7 –Exit 17 Ramps –US 2/Jasper Mine –US 7/Park and Ride –US 7/Arbortech

5. Exit 17 Transportation Plan August 22, 2006 5 Twenty-Year Development Assumptions Phase 1 (120,000 gpd) –720 dwelling units –275 ksf commercial –1,270 vehicles/hour Phase 2 (225,000 gpd) –1,200 Dwelling Units –460 ksf commercial –2,100 vph Full Development Potential –1,300 Dwelling Units –560 ksf commercial

6. Exit 17 Transportation Plan August 22, 2006 6 Twenty-Year Traffic Projections 42% Increase in Through Traffic + Phase 2 Dev. Traffic

7. Exit 17 Transportation Plan August 22, 2006 7 Effect of Circ and Milton Exit

8. Exit 17 Transportation Plan August 22, 2006 8 Design Alternatives Assumptions Phase 2 Land Use Circ. Highway Complete to VT 127 Include New Local Roads No Milton Exit

9. Exit 17 Transportation Plan August 22, 2006 9 Exit 17-Chimney Corners Alt 1

10. Exit 17 Transportation Plan August 22, 2006 10 Exit 17-Chimney Corners Alt 2-A

11. Exit 17 Transportation Plan August 22, 2006 11 Exit 17-Chimney Corners Alt 2-B

12. Exit 17 Transportation Plan August 22, 2006 12 Exit 17-Chimney Corners Alt 2-C

13. Exit 17 Transportation Plan August 22, 2006 13 Exit 17 Alternative 3

14. Exit 17 Transportation Plan August 22, 2006 14 Exit 17 Alt. 4: Single Point Urban Interchange

15. Exit 17 Transportation Plan August 22, 2006 15 Exit 17 Alt 5: Tight Diamond

16. Exit 17 Transportation Plan August 22, 2006 16 Exit 17-Chimney Corners Alts Comparison

17. Exit 17 Transportation Plan August 22, 2006 17 US 2 – Jasper Mine Road

18. Exit 17 Transportation Plan August 22, 2006 18 US 7 - Brentwood

19. Exit 17 Transportation Plan August 22, 2006 19 US 7 – Arbor Garden

20. Exit 17 Transportation Plan August 22, 2006 20 Total Costs

21. Exit 17 Transportation Plan August 22, 2006 21 Phasing Plan

22. Exit 17 Transportation Plan August 22, 2006 22 Recommendations & Next Steps Conduct Project Definition Study for US 2/I-89 Ramps and US 2/US 7 Evaluate Traffic Signals and Roundabouts No Further Evaluation of Interchange Configuration Construction in Two Phases NB Off-Ramp and US 2/US 7 Together and First SB Off-Ramp and Bridge Latter Local Roads and Bridges Obtain easements or ROW as developments occur Transportation Planning Project Definition / Scoping Environmental Documentation Final Eng - ROW Construction Next Step This Study

23. Exit 17 Transportation Plan August 22, 2006 Appendices

24. Exit 17 Transportation Plan August 22, 2006 24 About Roundabouts Key Features –Yield at entry –Deflection created by center island –Flare at approach –Design speed between 15-20 mph Not a “Traffic Circle” or “Rotary” Rural Location Urban or Village Location

25. Exit 17 Transportation Plan August 22, 2006 25 No ChangeWith Circ With Circ and Milton Exit 2025 Congestion – Signalized Intersections Includes Background Growth and Traffic from Phase 2

26. Exit 17 Transportation Plan August 22, 2006 26 2025 Congestion – Stop Controlled No ChangeWith Circ With Circ and Milton Exit Includes Background Growth and Traffic from Phase 2