Gateway for providing controlled access from an entrance point to an exit point, having two wall elements defining a corridor in between the wall elements, and having a movable close off element or elements that have an open position and a closed position, whereby in the open position the corridor between the entrance point and the exit point provides a free passageway, and whereby in the closed position the corridor is closed off and passage from the entrance point to the exit point is prevented, wherein the movable close off elements or elements is/are embodied as at least one flexible band movable from within a wall element to at least in part outside that wall element, whereby in the open position the flexible band(s) is/are substantially rectilinear and positioned inside the wall element, and whereby in the closed position the flexible band(s) is/are bent to extend at least in part outside the wall element towards the other wall element to close up the passageway.
