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

Table 5

The importance of criteria according to experts expressed by linguistic terms.

Group of criteria	Criteria	DM1	DM2	DM3	DM4
(1) Technical operation	Interoperability	MH	H	H	MH
	Flexibility	M	ML	H	H
	Efficiency	VH	H	VH	VH
	Reliability	VH	VH	VH	VH
	Enforcement	MH	ML	H	M
(2) Traffic operations	Level of service	VH	MH	H	H
	Traffic safety	H	M	H	H
	Number of stops	H	M	H	H
	Delays	H	H	H	H
(3) Financial	Average cost for user	H	MH	MH	MH
	Revenue/cost ratio for road agency	ML	M	VH	VH
	Capex	M	MH	H	VH
	Opex	ML	ML	H	VH
(4) Environmental	Visual degradation of road environ.	L	ML	ML	M
	Air pollution	M	ML	MH	MH
	Noise	L	L	MH	MH
(5) Socio-economic	Fair pricing	MH	M	H	H
	User friendliness	MH	MH	MH	MH
	Aesthetic effect on the vehicle	ML	M	M	ML
	Possibility of theft and fraud	H	H	H	H