Table 1 Comparison of studies.
Author | Vehicle type | objective functions | Load change effect | Factors affecting the transportation of hazardous materials | Influence of population density | Time window constraints | Influence of population density | Â | Â |
|---|---|---|---|---|---|---|---|---|---|
| Â | Electric vehicle | Fuel vehicles | Â | With | Deterministic Factors | Uncertainty factors | With | With | With |
Jiang et al.6 |  | √ | Transportation Cost, Transportation Risk, Travel Time |  | √ |  |  | √ |  |
Eren et al.7 |  | √ | Transportation Safety, Transport distance |  | √ |  |  | √ |  |
Li et al.8 |  | √ | Transportation Risk |  | √ |  |  |  |  |
Zhao et al.9 |  | √ | Total cost, Transportation Risk |  |  | √ |  |  |  |
Zhang et al.10 |  | √ | Transportation Cost | √ |  | √ |  |  |  |
Holeczek et al.11 |  | √ | Transportation Cost, Transportation Risk | √ |  | √ |  |  |  |
Zhang et al.12 |  | √ | Total cost, Transportation Risk |  |  | √ |  |  |  |
Han et al.13 |  | √ | Total cost |  |  | √ | √ |  |  |
Wang et al.14 |  | √ | Transportation Cost, Transportation Risk, Travel Time |  |  | √ | √ |  |  |
Zahiri et al.15 |  | √ | Total cost, Transportation Risk |  |  | √ |  |  |  |
Eslamipoor et al.16 | √ |  | Total cost, Carbon emissions | √ |  |  |  |  |  |
Deng et al.17 | √ |  | Total cost, Customer satisfaction, Battery loss |  |  |  |  | √ |  |
Zhao et al.18 | √ |  | Total cost, Product Freshness |  |  |  |  | √ |  |
Qiang et al.19 | √ |  | Total cost, Carbon emissions |  |  |  |  |  |  |
Cai et al.20 | √ |  | Total cost, Customer satisfaction | √ |  |  |  | √ | √ |
Wu et al.22 | √ |  | Total cost, Battery loss | √ |  |  |  |  |  |
Cheng et al.23 | √ |  | None |  |  |  |  |  | √ |
Miri et al.25 | √ |  | None |  |  |  |  |  | √ |
This paper | √ |  | Total cost, Transportation Risk, Customer satisfaction | √ |  | √ | √ | √ | √ |