Door access handle with integrated lock-out function

An interior door release handle for a dual door assembly through a passage opening defined by a frame through a barrier wall of a vehicle, the dual door assembly having first and second closure doors barring traffic through the passage opening and being mounted to opposite sides of the frame for independent movement between opened and closed positions, distal ends of the first and second closure doors engagable in sealed relationship with respect to one another in the closed position, the first closure door having at least one latch engagable with the frame and supporting a door latch for the second closure door, the interior door release handle comprising:

• a handle member having an interior portion and an exterior portion, the handle member mounted to the first closure door for movement of the interior and exterior portions between first and second positions, wherein the interior portion is operable from an interior of the vehicle and the exterior portion is operable from outside of the vehicle, wherein the interior portion and the exterior portion of the handle member are fixedly coupled together such that when the interior portion is moved, the exterior portion is also moved;
• and
• a release mechanism configured to unlatch the first closure door from the frame in response to the handle member,
• wherein when the first and second closure doors are in the closed position, the exterior portion of the handle member is configured to contact the second closure door to prevent movement of the interior portion of the handle member between the first and second positions.