state route east west expressway freeway located state utah colloquially known 21st south freeway route serves alternative interstate salt_lake_city western terminus route west highway heads east property expressway running western suburbs salt_lake_city freeway shortly route returns surface route terminates eastern end state street route history route invention automobile california trail followed present day path highway 1910s route designated state highway state route officially written law running east mouth canyon point highway carried alternate west state street east road truncated salt_lake_city late 1970s construction freeway portion west commenced mid-1960s fully completed route description western terminus begins partial interchange heading generally east lanes direction expressway passes tallest structure utah past intersection route takes turn southeast bypassing pond exiting property route exits terrain enters urban beginning salt_lake_city suburb past junctions west west west west route northerly blocks limited access freeway east west routed approximately south grid system giving freeway nickname 21st south freeway lanes direction highway boundary salt_lake_city suburb road continues east diamond interchanges west highway immediately following single point urban interchange west freeway intersects form cloverleaf interchange road south slightly following road west freeway terminates bowl interchange giving eastbound motorists option continuing south south eastbound traveler wanting continue surface portion exit west head north briefly turn eastbound south westbound traveler south wishing connect freeway ramp surface street west prior connection direct lane south secondary surface street route runs border state maintenance south ends intersection state street history state route original highways signs route claim path highway historical route signed route california trail modern south common branch called infamous generally derived route utah routed south modern highway exactly follows route west salt_lake_city auto tour routes trail actually ran south road 1910s south state highway state legislature state road system include short list given law federal aid projects state street remained portion south following creation united_states numbered highway system south west west assigned turning northward downtown salt_lake_city created signed highways south east east west traveled west south salt_lake_city south turned eastbound south northbound state street connect state legislature designated state route running west state street west moved south alignment central utah old routing replaced placed salt_lake_city south west state street replacing designation realigned drive believing route direct connecting airport aligned entirety south future mouth canyon west state street west mainline truncated east city constructing freeway west road lane highway rural rural landscape changed time west entered urban highway lane road route remained way intersection east route reverted lane configuration time routes city replaced lane portions road east east widened lanes interchange future built mouth canyon construction west old route superseded lane freeway directly south construction complete interchanges west new freeway extended west west interchange directly west road built rest highway given median preparation freeway construction west construction concluded interchanges west highway solely west west result beginning april concluding july larger reconstruction project rebuilt west including bowl interchange result left pieces connect surface portion freeway ramp freeway west widened road interchange redone freeway highway west widened lanes direction road widened lanes project eliminated final lane section major intersections entire route
Utah State Route 201