Attributes . Flow Direction . Values

- (22)   2-way (4)   3-Way (1)   4-Way (20)   From Left to Right (9)   Inside-Out (535)   Inside-Outside (2)   Left to Right (44)   Left to Right (Rig. (4)   Non-reversible (8)   Outside-In (4535)   R (1)   Right (10)   Right to Left (20)   Rightward direction (8)   Unidirectional (4)