The procurement consists of 3 different assignments. Assignment 1 coordinated taxis mainly comprises all transport of scheduled journeys in the TT service for approx. 810 regular walking TT users. Assignment 2 directly ordered taxis comprises scheduled journeys in the TT service for approx. 230 walking TT users who have special needs. Assignment 3 special vehicle transport mainly comprises all transport of wheelchair users within the TT service, for both leisure journeys and scheduled journeys for wheelchair users.