the articulated connection which is disconnectable and formed of a hitching device with a drawbar component for rapid coupling and uncoupling . the articulated connection is carried at the front of the following road module and fixed in terms of orientation with respect to a central longitudinal axis of the leading road module , independent of the steering axle of the following road module or of its steering assembly , and it has a rear end of the piece pivot - mounted on the chassis of the following road module and a front end has a complementary coupling and uncoupling mechanism , together with roll and pitch travel mechanism and angular end stop mechanism . this device is applicable to the urban transport of passengers .