Yes, NeTEx supports the specification of accessibility attributes on both the fixed infrastructure (drawn from the CEN IFOPT standard) and on vehicle types used for  specific journeys, so that full accessibility aware journey planning can be provided, including micro-navigation through interchanges. Both accessibility properties and equipment for different disabilities (e.g. wheelchair spaces, navigability, tactile strips etc) and accessibility services (e.g. boarding assistance) can be defined. Furthermore NeTEx defines a set of user needs (e.g.  wheelchair, blindness, push chairs, etc ) that a journey planning engine can use to set  criteria to find the optimal journey for a given set of accessibility criteria.