commonly referred highway maintained highway canadian province ontario route divided segments combined length southern segment travels regional road highway highway junction southern end distance northern segment begins highway near travels north west large junction boundary distance gap separates segments entire route located history highway tumultuous relocation projects resulting construction fourth canal highway prior continuous travelled west maintained connecting link agreement route established remained official road maps extended route travelled places shifted times following years late 1990s transferred highways portions highways province lower levels government decommissioned april route description segment highway road east lane freeway contains tunnels remaining segments vary lane rural highway lane urban roadway overall highway length kilometre gap separating sections southern section begins junction highway city kilometres north south intersection road continued regional road street downloaded city port proceeding north highway known locally west road passes suburbs north skirts eastern edge remaining habitats west highway crosses port boundary road grade separated intersection route crosses rail lines bridge south terminus highway road southern edge built area north continues regional road prince charles drive northern section highway begins intersection western terminus highway approximately kilometres east highway south intersection road carries continues regional road west intersection road carries highway lane continues regional road highway proceeds north established concession road branching east alignment known route crosses flooded valleys form canal arriving point highway turns west enters descending beneath canal western end tunnel highway emerges divided highway meets interchange pine street eastbound ramp pine street features stop sign merging lane prior entering west pine street route passes beneath railway line curves slightly southwest encounters interchange street gradually curving northwest passing beneath richmond street highway ends complicated interchange road edge history portion highway assumed september short travelling south main street highway connected road owned travelling east old canal known names including barber drive canal road initially route extended october given designation highway began highway travelled east canal north street regional road downtown july assumed west road constructed years prior old highway turned june september year highway entered meeting concurrent riverside drive lincoln street turning east completed routing toronto railway line final operating railway canada ceased operations line march rerouted highway prince charles drive northwest turned east street north highway initially travelled concurrent street ended highway turned east travelled concurrent canal turning north current route continued north road crossed swing bridge travelled north street regional road regional road effect highway routing highway eventually major changes construction built larger bypass project canal order minimize road rail crossings plagued length canal prior 1970s designed carry divided lane road beneath canal bypassing swinging bridge street built winter months canal drained opened september following completion rerouted tunnel west pine road interchange fork travelled north pine east richmond street north street regional road fork followed present route creation highway transferred newly formed region original alignment highway second change initial construction highway mid-1960s establishing new northern terminus highway road interchange road interchange fully opened highway extension road november eventually highway section highway highway instead turn east street curved north highway happened extended south road road june budget constraints brought recession 1990s resulted provincial government forming committee determine cost cutting measures order balance budget deficit incurred premier determined ontario highways longer serve long distance traffic movement maintained local regional levels government consequently transferred highways lower levels government removing significant percentage provincial highway network largely replaced central segment deemed longer serve long distance traffic downloaded april exists regional road regional road street highway today follows original route canal kilometre section routing north highway route major intersections following table lists major junctions highway noted entire route located
Ontario Highway 58