GUELPH – A 4km stretch of Wellington Road 21, an arterial county road through Centre Wellington, is being repaved for $1 million (tax included).A portion of the road from the Waterloo Region boundary through Inverhaugh will be repaved, along with guide rail upgrades, road tilt and curve adjustments, and intersection improvements, according to a Wellington County staff report.County council awarded the job to Guelph-based Cox Construction at a co…