Bidirectional

Bidirectional may refer to:


 * Bidirectional, a roadway that carries traffic moving in opposite directions
 * Bi-directional vehicle, a tram or train or any other vehicle that can be controlled from either end and can move forward or backward with equal ease without any need to be turned around
 * Bidirectional text, text containing text in both text directionalities
 * Duplex (telecommunications), communication in both directions
 * Bidirectionalization, a process in computer science
 * Bidirectional railway signalling; see Application of railway signals
 * Bidirectional learning/process refers to two way learning. In terms of socialization, the process helps both novices and experts learn from each other.
 * Bidirectional LED