Greater Sudbury Road 55

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Greater Sudbury Road 55
Old Highway 17, Lorne Street, Elm Street, Lloyd Street, The Kingsway
Length:	40.9 km^[1] (25 mi)
West end:	Highway 17 at Whitefish
East end:	Highway 17 at Coniston
Major cities:	Greater Sudbury
System:	Greater Sudbury Municipal Roads

Greater Sudbury Road 55 is a municipal road in the city of Greater Sudbury, Ontario, Canada. Extending from Whitefish to Coniston under a variety of street names, the road's entire length is a former alignment of Highway 17 and the Trans-Canada Highway.

The road's western terminus is a grade-level intersection with Highway 17, just west of Whitefish, approximately one kilometre east of where the four-lane freeway segment of Highway 17 begins. The intersection is expected to be converted to a full freeway interchange as the freeway is extended westward. Through the Walden area, the road's only official street name is Municipal Road 55, although the informal name Old Highway 17 may also be used. In Waters, just west of Municipal Road 24 into Lively, the road widens into a dual carriageway, and interchanges with Highway 17 just east of Mikkola. This portion of the route was decommissioned as part of the provincial highway system in 1980 with the construction of the freeway segment.

From the Mikkola interchange easterly, however, the route continued to hold the Highway 17 designation until the completion of the Southeast Bypass in 1995. This portion of the route continues east as a dual carriageway into Copper Cliff, where the median narrows to a paved strip until reaching the Big Nickel Road interchange. At that interchange, the road narrows back down to a single carriageway, albeit one with multiple lanes of traffic in each direction. The roadway also picks up its first true street name, Lorne Street, at the same interchange. Lorne Street continues to travel in a northeasterly direction into Downtown, where the MR55 designation transfers onto Elm Street.

MR55 then follows the same roadway for the remainder of its length, although the street name transitions to Lloyd Street and later to The Kingsway. The section of The Kingsway east of Falconbridge Road is undergoing a $6 million expansion from two lanes to four lanes, with construction expected to be completed in 2008. ^[2] ^[3] The city has also planned a short westerly extension of the Kingsway, which will bypass the primarily residential Lloyd Street by connecting the Kingsway directly to the existing intersection of Lloyd and Brady Streets.

The road's eastern terminus is a signalized grade-level intersection with Highway 17 near Coniston. East of that intersection, the current route of Highway 17 is a continuation of the MR55 roadway — traffic using the highway's through route must turn at the intersection.

The Ministry of Transportation has planned a further extension of the new Highway 17 route several kilometres north of the current highway route through Nickel Centre, although no construction schedule has been announced and the project is unlikely to begin until sometime after the freeway conversion of the Southwest and Southeast Bypass routes in the early 2010s.