Decision-Support Framework for Selecting the Optimal Road Toll Collection System

Table 11

Stability intervals matrix for criteria weight regarding the complete ranking and the first place.

Criteria	Complete ranking remains unchanged (%)	First place remains unchanged (%)
Interoperability	3.18–6.03	3.18–10.57
Efficiency	0.00–7.36	0.00–100.00
Flexibility	2.86–8.32	2.25–18.44
Reliability/accuracy	1.63–6.68	0.00–8.84
Enforcement	2.86–7.26	0.00–13.96
Level of service	0.00–7.53	0.00–100.00
Traffic safety	3.97–6.30	2.89–15.24
Number of stops	0.00–7.36	0.00–100.00
An increase in travel time	0.00–15.10	0.00–100.00
Average cost for user	4.39–8.02	0.00–8.02
Ratio of revenues/costs	5.48–23.90	1.39–100.00
Capex	5.65–7.73	2.98–7.73
Opex	4.30–10.10	0.00–27.62
Visual impact of defacing ambient environment	1.25–6.48	0.00–100.00
Air pollution	0.00–5.39	0.00–100.00
Noise	0.00–14.18	0.00–100.00
Fair payment	0.00–10.56	0.00–100.00
Easy to use	0.00–11.97	0.00–100.00
Aesthetic effect on the vehicle	2.10–7.20	0.00–12.06
Possibility of theft and fraud	0.00–6.71	0.00–17.80