Table 1 Parameters and symbols of RTM
Parameters | Symbols | Value |
|---|---|---|
\(D_{{{\text{stop}}}}\) | The average level of safe stopping (m) | 20 |
\(D_{{{\text{danger}}}}\) | The lower limit of \(D_{{{\text{stop}}}}\) (m) | 18 |
\(D_{{{\text{safe}}}}\) | The upper limit of \(D_{{{\text{stop}}}}\) (m) | 22 |
\(D_{{{\text{fellow}}}}\) | The maximum following distance (m) | 60 |
\(Rv_{{{\text{safe}}}}\) | The relative velocity that driver feels most comfortable (m/s) | 0 |
\(Rv_{{{\text{danger}}}}\) | The relative velocity where there is a risk of collision (m/s) | −1 |