Research Article

A Discretionary Lane-Changing Decision-Making Mechanism Incorporating Drivers’ Heterogeneity: A Signalling Game-Based Approach

Table 5

Solutions in three equilibriums.

TypeStrategyCondition
The sender (CAR-TF)The receiver (CAR-E)
AggressiveConservative

Separating equilibriumSNSIf S, then W; if NS, then C
NSSIf S, then C; if NS, then WNot available

Pooling equilibriumNSNSIf NS, then C/W
SSIf S, then C

Semiseparating equilibriumSUpdate information using p and x.
If S, then ; if NS, then C

NSUpdate information using p and x.
If NS, then ; if S, then W


S = signalling; NS = not signalling; C = changing lane; W = waiting.