across-the-river background blue boat bridge cars colors colours contrast contrasting freeway gray grey Jetty light motor-boat movement outdoor outdoors outside ripples rippling river riverside scenery scenic shadow shadows shrubbery shrubs sunlight surfaces traffic transport transportation travel trees truck vegetation vehicles views water waterways access armed authorities authority availability available badges barriers communicating communication control deployment equipment flashing-lights law law-&-order lights motor-bikes National-Day on-duty on-the-job order patrols police police-vehicles power presence regulations responsible security Singapore symbols traffic-control uniforms weapons bilingual distinctive emergency-vehicle marked motor-vehicle patrol police-vehicle van vehicle around the bend bend commercial vehicle commute commuting curve direction four lanes left-hand driving main road Motor Cycle perspectives road road rules road vehicles shade shaded speed three lanes traffic flow traffic lanes tree-lined turn turn-off wide wide road arrival arriving auto autobahn autos bridges busy car coming dark distance fast fence fences fishmonk fog foggy going guard guards journey journeys junction late long exposure M1 mesh motor motorcar motorway night over rail rails roads rush rush hour time trail trails traveling acceptable access-denied access-limited advice advising alert allocated allocation approved authorised authorized automobiles behave black communicate denied directive entry-denied entry-prohibited horses horses-not-allowed horses-not-permitted information informing limited motor-cars no-access no-entry parking permission-denied permitted prohibited prohibition red restricted restriction restrictions safety sign signs unauthorised unauthorized warning white