baffle gate bags closed control covered entrance exit faregate gate gates hooded hoods mass transit stations mass transit turnstiles movement control not used one-way people traffic passenger control passenger movement passengers pedestrian control railway station sealed signs turnstile turnstiles waist-high turnstiles adults barrier barriers ccrowds controlled controlling crowd entering families gathered gathering guided guided-movement large-crowd men mobile-barriers movement on-the-move pedestrians people public shadows shelter sheltered sunlight sunny sunshine thoroughfare underpass visitors walkers walking women attention beware blue careful caution child conduct course danger directions drive guide instructions kids law limit logo Look mother path pedestrian pictogram protection respect road roadsign safety sign slow street symbol traffic transportation walk warning way woman zone happen highway industry playground playing school sidewalk teen advice alert allowed announcement appropriate-behavior appropriate-behaviour black canine care clean-up communicating communication consideration denial denied dog dogs exception guidelines information informing lead leash permission-granted pets purple risk risks rules track welcome white