state route state highway northern california runs miles northern shore built route runs southern tips counties interstate serves vital connection counties north san_francisco flags discovery kingdom accessible route route proposed built freeway standards early 1950s proposal met economic environmental obstacles making task impossible route problems included break turned land highway marsh home endangered salt marsh harvest mice section highway known blood alley high rate fatal accidents route description intended run state highway constructed begins junction heads northeast freeway quarter mile lane expressway route passes meeting southern terminus state route signal controlled intersection near route continues divided lane expressway easterly southeasterly direction crosses proceeds northern edge construction barrier portion lanes middle lane alternately serving passing lane direction stretch highway given nickname blood alley high rate fatal accidents middle lane removed accidents dropped dramatically lane freeway approaching northern crosses continues freeway overlapping old highway alignment passing north old road known proximity flags discovery kingdom previously known travels northeasterly direction white turning east crosses state route heads eastern terminus honoring police officer killed line duty early 1990s stretch drive serves entrance mini drive upgraded freeway following years complications remaining non freeway section upgraded route known route road honoring agent killed line duty accident originally toll road ran route route california freeway expressway system eligible designated scenic highway history stretch road east historical real result early 20th century built opened traffic highway followed current alignment east northeast present day route designated later signed state route prior state control section known point toll road toll road managed golden gate ferry built ancient native american trail purchased state tolls removed signed state route route state highway renumbering route starting near ending near lake proposed built freeway standards early 1950s proposal met economic environmental obstacles making task impossible route late golden gate ferries owners point toll road began plans build contract awarded oakland based october paved toll road built ancient native american trail san bay shore cut near expected cost toll exceeding toll road officials explained purpose road stimulate motor vehicle usage reducing times expenses motorists traveling sacramento areas offering direct route highway road opened traffic november received recommendation purchase road able invest owned rights right way route opposed purchase resulted congressional actions establish clear title deed route house representative earliest government officials pressure acquire toll road order convert toll free highway argued having toll road travel order reach golden gate bridge benefit cited seventh tenths mile difference distance toll road route deed permitting state purchase road granted attorney general october highway signed state route renumbering highway upgrading talks began upgrading highway proposition turn route toll road failed decided lane freeway best decision opposition residents surrounding neighborhoods federal oil allowed widening approach drive broke flooded portion developed land turning protected wetlands home endangered species new status environmental studies needed order continue project soon project split different phases handle problems particular areas divided newly created section relocated city able widen section build drive blood alley section updated problem route hinder progress section mare island plagued fatal accidents earning nickname blood alley people lost lives preliminary effort reduce fatalities officials established daylight test section requiring cars day passing lanes efforts ineffective local resident campaigned barrier erected death year old son blood alley time situation stretch worsened death toll rose thirty thought barrier matters worse difficult emergency vehicles attend accidents environmental issues cited waiting ability create causeway span area instead continued campaign despite opposition granted barrier barrier built controversy eliminated passing lanes barriers built longer crossover accidents median built problems needed resolved order road work safely environmentally friendly way emergency personnel needed quickly access accidents provide easy transport nearby hospitals alleviate problem implemented electric gate technology allow emergency vehicles cut certain parts median problem protect plant life salt marsh harvest mice residing highway result crews placed protect foliage added holes median barrier allow mice cross highway white interchange protect allowing widening passed allowed acres wetlands filled required times wetland restoration environmental studies widened elevated section road converted freeway accommodate pedestrians built eastbound freeway finally completed crossed broadway mini drive bypassing traffic signaled intersections railroad grade crossing project completed summer fully open traffic august future partnered regional local entities plan future scenarios focused structural adaptations highway response potential sea level rise impacts highways country face vertical geographic location likely sea level rise impacts popular option place highway causeway allowing escape flooding sea level rise reduce impacts marshes eliminate traffic noise impacts birds mammals human communities adjacent near highway options considered included placing highway meters higher building tunnel highway highway existing highways eliminate impacts marshes avoid sea level rise impacts major intersections letter measured road based alignment existed time necessarily reflect current mileage reflects realignment route indicates second realignment refers overlap correction change indicates classified temporary list list definitions segments remain relinquished local control omitted numbers reset county lines start end county given county column popular culture route title train album california album cover includes picture california sign actually picture highway
California State Route 37