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Interstate 70 - State Route 310 Interchange
 
This project is designed to address the poor condition of the existing SR 310 bridge over the interstate, as well as to upgrade the interchange and adjacent intersections for future traffic needs, as forecasted in studies by the Mid-Ohio Regional Planning Commission. 

ODOT Preferred Design Alternative
Out of four alternatives, ODOT's preferred design will:
  • Replace and widen the bridge deck to accommodate six lanes (two thru-lanes each for northbound and southbound traffic and one northbound/southbound left turn lane each) as well as a walking/bicycling shared use path
  • Widen the eastbound off-ramp for additional lanes (two left turn and one right turn)
  • Widen SR 310 from Columbus Parkway to north of Dairy Queen Drive
  • Construct a shared-use path from Columbus Expressway to Etna Crest Boulevard (accommodates future pathway extensions)
  • Signalize the intersection of SR 310/Etna Crest Boulevard
Maintenance of Traffic
Construction is estimated to span from Spring 2016 to Fall 2017.​ Proposed impacts to traffic during construction will take place in three phases:
  • Phase 1: current southbound lane will close, with one lane each for north- and southbound traffic on current northbound side
  • Phase 2: Two lanes restored for each direction during winter season
  • Phase 3: current northbound lane will close, with one lane each for north- and southbound traffic on current southbound side
In addition, 14- to 21-day closures will take place at each interchange ramp, plus 7-10 day closures at the culvert locations on both the northern and southern ends of the bridge.

Estimated Project Schedule
  • Spring 2014: Public presentations to local community, with invitation for feedback
  • Fall 2015: Project construction plans complete
  • Spring 2016: Construction begins
  • Fall 2017: Construction ends
Estimated Costs and Funding Sources
Construction is estimated at $12,700,000 and right-of-way acquistion at $600,000. Funding will come from:
  • Ohio Department of Transportation: $4,500,000
  • Mid-Ohio Regional Planning Commission: $7,050,000
  • Etna Township/Local Sources: $1,760,000
 
Public Comment
ODOT invites feedback from the public on the proposed 70/310 Interchange project, especially regarding transportation needs during construction. For full consideration, comments must include your name and address, and must be submitted by June 3, 2014 to:

ODOT District 5
Attn: Ty Thompson
9600 Jacksontown Road, SE
Jacksontown, OH 43030​
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