66 California desert freedom heritage highway highway shield nostalgia number old road route sign usa west buildings city concrete downtown empty freeway freeways highways minneapolis minnesota mn pavement roads skyline skyscrapers street streets art double exposure duotone electronics eye graphic grey head illustration information information super highway internet man monotone portrait profile thinking thought worldwide web aerial-view angled angles automobiles backgrounds below bus cars colors colours four-lane-highway four-lanes height high modern motion movement overpass perspectives safe safety scene scenery secure secured shape shapes sights Singapore traffic traffic-flow trucks vehicles views Australia hwy NSW tunnel fog interstate mist bridge marker yellow color green leaf leafs macro trees background spring tree