Definitions for "Ramps"
No better than stairs unless you have a wheelchair.
portable ramps for wheelchairs and scooters roll up for easy carrying with storage bag. Scooter ramps have side rails and center panels that slide easily into place, locking securely to provide a solid drive surface. Suitcase ramps are convenient and compact, fold up easily and have a built-in carrying handle. Telescopic channel ramps each extend to be used on steps, vans, or curbs. For storage, simply pick up each rail and depress the guide buttons to collapse. Chair lifts allow you to lift and carry your power chair fully assembled.
Keywords:  tollway, plaza, toll, exit, entrance
Manned or automatic lanes that are separate from the main plaza of a toll facility used for entrance to, or exit from the tollway.
This is the slow acceleration section at the start and finish of most camshafts profiles. For solid cams the ramps may be as long as 15deg and 0.020" - for hydraulic cams this must be below 0.006" for the cam to function.
Reliability, Availability, Manageability, Performance and Scalability.