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Highway 7 Expansion (Twinning) Phase 3

Highway 7 Expansion (Twinning) Phase 3. Meeting with Lanark County March 7, 2007 6:00 p.m. From 2.5km West of Ashton Station Road Westerly to McNeely Avenue (Carleton Place). Introduction. Expansion of Highway 7 from Hwy 417 (City of Ottawa) to Town of Carleton Place

Samuel
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Highway 7 Expansion (Twinning) Phase 3

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  1. Highway 7 Expansion (Twinning) Phase 3 Meeting with Lanark County March 7, 2007 6:00 p.m. From 2.5km West of Ashton Station Road Westerly to McNeely Avenue (Carleton Place)

  2. Introduction • Expansion of Highway 7 from Hwy 417 (City of Ottawa) to Town of Carleton Place • 2-lane rural highway to 4-lane rural freeway • Overall expansion to be phased-in under 3 contracts • Construction of Phase I (WP 256-99-00) starting at 417…. started in August 2006 • Construction of Phase III (WP 252-99-00) scheduled to start in 2010

  3. Scope of Work – WP 252-99-00 • Expansion of 2-lane facility to 4-lane rural freeway divided (RFD) • 4-lane freeway to 4-lane urban highway transition zone • New interchange at Co. Rd. 17 • New commuter parking lot • Full illumination for urban transition section, partial illumination at interchange ramp exits and terminals • Drainage, culvert replacements, storm water mgt • Roadside safety improvements • Landscape design

  4. Highway 7 2-lane rural highway posted speed limit of 80 km/h 2 at-grade signalized intersections McNeely Avenue County Road 17 Existing Conditions

  5. New Highway Geometry – Urban Section McNeely Intersection Section with Concrete Barrier

  6. Transition Plan • Approved Highway 7 Transition Measures: • Speed reductions: 1008060 km/h • Two 6000m-radius horizontal curves • “Freeway Ends” signing • Peripheral transverse edge lines • Overhead “traffic lights ahead” sign with continuous flashing amber beacons • Transition from 30m median to 5m median with concrete barrier or curb & gutter • Full illumination: for transition from McNeely Ave. to wide median • Partial illumination: Co. Rd. 17 exit ramps & ramp terminals

  7. Staging Overview • Stage I • Construction of new WBL & EBL, west and east of County Road 17 respectively • Start of interchange construction • New temporary intersection for County Road 17 south detour – Hwy 7 to SSR

  8. 1 2 1 1 1 2 1 1 Staging Overview – Stage I

  9. Staging Overview • Stage II • County Road 17 closed between NSR & SSR, traffic detours in effect • Two-way Hwy 7 traffic diverted to WBLs from McNeely to temporary Co. Rd. 17 detour intersection • EBL under construction from 200m east of McNeely to median cross-over, just east of County Road 17 • Remaining sections of interchange, including bridge superstructure completed • Permanent singing installed, line painting completed

  10. Temporary Detour Intersection 1 1 2 SSR 1 1 2 Staging Overview – Stage II

  11. Stage II Detour Routes Advance Notification Signs PVMS Sign CO RD 17 N CLOSED DETOUR VIA D-1

  12. Staging Overview • Stage III • EBL & WBL fully operational • Removal of temporary detour intersection and median cross-over • Concrete median under construction, light standards installed (with single temporary lane closure per direction)

  13. 2 2 2 2 2 2 2 2 Staging Overview – Stage III

  14. County Road 17 Bridge – Plan View Hwy 7 EBL Hwy 7 WBL

  15. County Road 17 Bridge – Profile & Section

  16. Questions ?

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