ontario highway known highway maintained highway southern ontario extends major highway south east route generally rural straight passing near communities route kilometres long road speed limit mph town limits speed limit reduced mph mph highway designated connect port bolster highway extended south meet 1950s anticipation planned freeway connection eastern shore lake ultimately highway mid-1970s highway assumed portion route highway city extending route highway route january province transferred responsibility maintaining southern northern sections regional governments sections lie route description shaped route travelling north southern shores lake turning east highway route kilometres long travels municipalities beginning york regional road major route progresses northward rural urban fringe farmland future extension bypass highway main street downtown north major route travels northward 8th concession street 1st south regional road road intersecting highway road road road aurora road york regional road road york regional road davis drive york regional road mount albert road way north road highway boundary york durham community baldwin east york regional road old homestead road south route curves east meeting york regional road high street travels town despite highway travelling directly east directional signs reference direction highway north passing virginia approximately kilometre inland highway widens lanes passes moderately developed area frequent businesses lining route passes south prior meeting road lake ridge road south port bolster crosses highway northeastward kilometres align township line crossing alongside power transmission corridor times segment final section travels eastward highway south west route rural passing urban areas south east west section lies south lake slightly developed features reduced speed limit mph remainder route signed mph like provincial routes ontario highway maintained traffic surveys conducted ministry showed average vehicles highway daily kilometre section york regional road major york regional road road vehicles day kilometre section road lake ridge road road highway highest lowest counts highway respectively history highway incorporates significant portion known length section incorporated highway highway designation entirely began eighth concession east settlers land granted right way right way extended south today york region road road south lake north improvements road necessary funds authorized act provincial parliament february section township road present day border township improvements supervised residents section known july year parliament passed act establish authorized improve road surface construction kingston road north north east township line line formed today road main street company allowed erect gates charge tolls pay work march gravel road port bolster known port bolster road assumed paved february highway extended future site cloverleaf interchange constructed anticipation developing freeway eastern highway constructed purpose parallel avenue instead highway extended highway concurrency highway north routing november opened routing highway east new road opened connecting highway south port bolster bypass day highway rerouted portions route highway highway renumbered highway segment port bolster decommissioned entirely original route highway prior durham regional road june routing highway shifted vicinity new inland bypass old route known highway truncated severed section renumbered extension highway bringing peak length new section highway highway reconstructed following year opening traffic august section highway interchange turned april known south highway sixteenth avenue road resumes major section designated york regional road january section highway southern junction highway transferred removing concurrency process section highway highway known road signed road major intersections following table lists major junctions highway noted
Ontario Highway 48