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CR 236 Resurfacing from US 441 to I-75 30% Plans

CR 236 Resurfacing from US 441 to I-75 30% Plans. Alachua County Board of County Commissioners September 28, 2010. Recommendation. Approve the 30% plans as proposed and direct staff to proceed with the design phase and return to the Board of County Commissioners at 90%. Project Background.

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CR 236 Resurfacing from US 441 to I-75 30% Plans

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  1. CR 236 Resurfacingfrom US 441 to I-7530% Plans Alachua County Board of County Commissioners September 28, 2010

  2. Recommendation • Approve the 30% plans as proposed and direct staff to proceed with the design phase and return to the Board of County Commissioners at 90%.

  3. Project Background • Purpose: to rehabilitate the pavement and provide for minor safety and drainage modifications • Approved by the Board of County Commissioners in 2007 • Design funded by 2007 Sales Tax Bond • Construction to be funded by second sales tax bond or other source

  4. Project Location I-75 Project Length = 5 miles CR 236 High Springs High Springs Elementary NW 201st Lane High Springs Elementary US 441

  5. Existing Cross Section US 441 to NW 201st Lane

  6. Existing Cross Section NW 201st Lane to I-75

  7. Traffic Data

  8. Crash Data

  9. Crash Rate Comparison Crashes per million vehicle miles traveled

  10. Pavement Condition • Alligator cracking • Edge of pavement drop-offs • Potholes • Base failures

  11. Pavement Condition • Results of geotechnical evaluation • Cracking to the base • Poorly constructed base • Clay pockets • Complete pavement removal required for most of the project

  12. Stormwater Issues • Erosion and sedimentation control • Flooding • Water quality

  13. Stormwater Issues Depressional Areas

  14. Proposed Cross Section US 441 to NW 201st Lane

  15. Proposed Cross Section NW 201st Lane to I-75

  16. Proposed Safety Modifications • Reconstruct damaged portions of the sidewalk • Address drop-off hazards at the edge of the sidewalk • Provide ADA ramps at intersections • Remove large roadside hazards • Remove edge-of pavement drop-offs

  17. Proposed Stormwater Modifications • Provide swales through the City of High Springs • Construct ditch blocks and weirs near the depressional areas • Remove sediment from pipes and drainage ditches • Chip seal and add erosion control at the intersection of Old Bellamy Road

  18. Proposed Multimodal Modifications • Provide marked bike lanes up to NW 201st Lane • Provide paved shoulders from NW 201st Lane to I-75 • Fill in gaps in sidewalks and extend up to NW 201st Lane on both sides • Widen sidewalk on west side up to 8’ wherever possible

  19. Proposed Landscaping • Add shade trees where possible around new and existing sidewalk • Preserve scenic views in agricultural areas

  20. Recommendation • Approve the 30% plans as proposed and direct staff to proceed with the design phase and return to the Board of County Commissioners at 90%.

  21. Questions?

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