The current invention concerns a floor plate for a vehicle for transporting able and disabled people, onto which chairs and/or seats and/or wheelchairs are attachable, said floor plate comprising one or more floor sections and/or rail sections, said floor sections comprising essentially flat upper sides defining a floor level, said floor sections comprising one or more storage parts comprising a storage cavity, said storage parts located under and/or at the same level as the floor level, said storage parts comprising wheelchair and/or wheelchair passenger securing means, said storage parts comprising a lid which is capable of sliding in a longitudinal direction along a trajectory between a closed position essentially at the floor level and an open position at a height below the floor level, characterized in that said storage parts comprise lifting means for lifting and lowering said wheelchair and/or wheelchair passenger securing means above the floor level and below the floor level into said storage cavity. The current invention also concerns a system comprising a floor plate and one or more connectors for fixating a load, such as a foldable chair, to a rail of said floor plate.