Access gate and associated systems, apparatus, and methods

A barrier system comprising:

• a wall;
• and
• at least one access gate for allowing pedestrian and/or vehicle access to cross the wall, the access gate comprising:
• at least one hinged wall portion moveable between an open position and a closed position, wherein, when said hinged wall portion is in the closed position, said hinged wall portion is configured to act as a barrier between a first side of the wall and a second side of the wall, said second side of the wall elevated with respect to said first side of the wall, and, when said hinged wall portion is in the open position, said hinged wall portion is configured to allow passage between the first side of the wall and the second side of the wall;
• a crossing surface configured to allow pedestrian passage between the first side of the wall and the second side of the wall, the hinged wall portion located at a first end of said crossing surface;
• at least one hinged surface door moveable between a closed position and an open position, wherein, when said hinged surface door is in the closed position, the hinged surface door is configured to prevent access to said crossing surface and to provide a walkable and/or drivable surface above said crossing surface and, when said hinged surface door is in the open position, the hinged surface door is configured to provide access to a second end of said crossing surface, wherein, when said hinged surface door is in the closed position, a first edge of said hinged surface door is substantially aligned with the second side of the wall and an opposite edge of said hinged surface door is substantially aligned with the second end of said crossing surface;
• and
• a permanent catch fence located above said at least one hinged wall portion;
• a foldable catch fence located below said permanent catch fence and above at least a portion of said at least one hinged wall portion, the foldable catch fence configured to be folded into a retracted, elevated position to provide additional head room when the hinged wall portion is the in the open position, and the foldable catch fence configured to be secured into an unfolded position when the hinged wall portion is in the closed position to act as a barrier between the first side and the second side of the wall, wherein when the foldable catch fence is in the unfolded position and the hinged surface door is in the closed position, a portion of the foldable catch fence is substantially aligned with the first edge of the hinged surface door.