Search results
Results From The WOW.Com Content Network
A pram ramp with tactile paving that connects a sidewalk to a road. A curb cut , curb ramp, depressed curb, dropped kerb , pram ramp, or kerb ramp is a solid (usually concrete) ramp graded down from the top surface of a sidewalk to the surface of an adjoining street. It is designed primarily for pedestrian usage and commonly found in urban ...
Passenger boarding stairs, sometimes referred to as boarding ramps, stair car or aircraft steps, provide a mobile means to traverse between the aircraft doors and the ground. Because larger aircraft have door sills 5 to 20 feet (1.5 to 6.1 m) high, stairs facilitate safe boarding and deplaning.
A runaway truck ramp, runaway truck lane, escape lane, safety ramp, emergency escape ramp, or truck arrester bed is a traffic device that enables vehicles which are having braking problems to stop safely.
The airport apron, apron, flight line, or ramp is the area of an airport where aircraft are parked, unloaded or loaded, refueled, boarded, or maintained. [ 1 ] [ 2 ] [ 3 ] Although the use of the apron is covered by regulations, such as lighting on vehicles, it is typically more accessible to users than the runway or taxiway .
A speed hump (also called a road hump, or undulation, [17] and speed ramp) is a rounded traffic calming device used to reduce vehicle speed and thus sound volume on residential streets. Humps are placed across the road to slow traffic and are often installed in a series of several humps to prevent cars from speeding before and after the hump.
Extensions are permanent or temporary additions to the height of one section of the ramp that can make riding more challenging. Creating a spine ramp is another variation of the half-pipe. A spine ramp is basically two quarter pipes connected at the vertical edge. Half-pipe at Riverside Skatepark (designed by Andy Kessler) Manhattan, NYC - 2019
A theoretical gore is commonly marked with transverse or chevron painted lines (much as traffic islands) at both entrance and exit ramps. These help separate drivers on the mainline from those entering and exiting the highway, and also aid the latter category of drivers in regulating their speed while accelerating and decelerating.
Some alternatives to stairs are elevators (also called lifts), stairlifts, inclined moving walkways, ladders, and ramps. A stairwell is a vertical shaft or opening that contains a staircase. A flight (of stairs) is an inclined part of a staircase consisting of steps (and their lateral supports if supports are separate from steps). [1]