The Disability Discrimination Act (DDA).
SBB information can be found here on the Federal Act on the Elimination of Discrimination against People with Disabilities and the status of implementation of planned measures.
SBB Call Center Handicap
Reserve free assistance with boarding and alighting on train journeys.
Please call at least one hour before you require this service. If you are travelling abroad: at least 48 hours in advance.
Toll-free in Switzerland
(from 6 a.m. to 10.30 p.m.)