interstate interstate mile interstate highway located state texas highway designated route san_antonio construction urban areas san_antonio began 1960s segments rural areas completed 1980s prior route san_antonio served combination state highway rivers san_antonio result construction removed highway begins corpus heads north san_antonio ends freeway continues northern san_antonio major freeway corpus highway provides access downtown area port corpus san_antonio provides access downtown tower americas extension route provides important connection limited access hurricane evacuation routes away southern texas coast route description interstate starts near gulf_coast corpus heads northwest san_antonio links northern parts state highway functions freeway hurricane evacuation routes southern texas coast roughly parallels begins ends unofficially begins intersection shoreline boulevard edge corpus bay heads west surface street blocks entrance exit ramps connect freeway begins officially gore point ramps interchange complex represents southern ends heads west corpus intersects freeways highway turns northwest interchange roughly parallel south prior leaving corpus city limits intersects short concurrency future future merges freeway south continue north split crossing interstate continues northwest future continues northeast transitions rural setting outside corpus city limits way continues northwest intersects future east begins paralleling east intersect concurrency north rivers near choke canyon reservoir highway alternate splits near parallels rejoining north routes remain concurrent splits head bypasses city east leaves northwest turns north san_antonio enters san_antonio city limits intersects northern terminus continuing north intersects inner loop san_antonio stack interchange junction interstate runs concurrently concurrent heading north south san_antonio provides access cloverleaf interchange loop freeway turns northwest highway intersects concurrent stack interchange southeastern corner downtown interchange heads north east downtown passes near tower americas ends northeastern corner downtown junction continues north freeway provides access later far north central texas san_antonio designated adams freeway world war veteran adams native port arthur received medal honor service france gallantry northern terminus designated staff sergeant san_antonio native receive medal honor killed action world war history prior routing san_antonio covered corpus rivers rivers san_antonio beginning sections officially removed completed sections removed result construction share alignment different points san_antonio rivers rerouted san_antonio designated provide route san_antonio construction began 1960s route completed 1980s sections freeway completed corpus freeway completed southern terminus miles west port avenue include interchange freeway extended miles westward completion bay boulevard buddy freeway extended west miles interchange complete corn products road mile west interchange freeway completed additional miles west road southbound bridge built future routed northbound bridge built expansion future lanes construction san_antonio began 1960s completed sections completed include portion south interchange section avenue north florida street include interchange complete section south extended south loop sections connected completion road valley drive fair avenue completion interchanges loop sections left east downtown downtown boulevard commerce street stretching houston street jones avenue completed portion completed san_antonio stack interchange known san_antonio downtown near pearl brewery completion interchange city complete freeway loop conjunction central business district city time construction began july interchange largest highway construction project state history million million rural sections freeway completed later urban areas construction highway corpus continued north interchange future completed road existence stretch utilized frontage road bridges stretch built 1930s main lanes extended northward freeway extended far north reached service city mid-1970s southern section northern section extended southern section extended northward future northern section saw completion early 1980s freeway nearly complete interchange southeast complete completion interchange bridges area complete exit list
Interstate 37