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Four-Laning Not the Best Fit for Most Northern Ontario Highways Says Report
The report says 2+1 roads would deliver similar safety and traffic benefits as twinning while costing less and reaching more highways sooner.
Northern Policy Institute concludes that 2+1 highways are a better fit for most Northern Ontario highways than full twinning because they can provide similar safety and traffic benefits at current traffic levels.
The report says 2+1 roads can be built faster and at lower cost by generally expanding existing roads and using a median barrier to separate opposing traffic.
A 2+1 highway has three lanes, including a middle lane that alternates direction, with opposing traffic separated by a median barrier.
The institute says twinning may be reasonable on four corridor segments near North Bay, Sault Ste. Marie, Thunder Bay, Nipigon, and Shabaqua Corners.