หน้าที่ 6 The factors related to transport route selection were classified into
quantitative factors represented by numerical data and qualitative factors
that reflect decision makers personal opinions. The quantitative factors
are cost, time, and distance, whereas qualitative factors consist of three
major factors such as transport service, safety, and awareness, which are
further classified into sub-factors. See .
2) Weighing Factors
To determine the weight of each factor, a survey of 22 transport workers
and experts was conducted. Characteristics of respondents based on their
length of service are shown in the .
Factors for international multi-modal transport routes selection
International multi-modal transport routes selection
Quantitative factors Qualitative factors
Transport
distance
Transport
time
Transport
cost
Transport
Service
Safety Awareness
reliability flexibility
transport
frequency
freight
information
service
transport
safety
freight
safety
transport
route
awareness
transport
mode
awareness
Alternative Route
1
Route
2
Route
3
… Route
N
The definitions of multi-criteria
Criteria Definition
Transport distance total distance required for transportation
Transport time total time required for transportation
Transport cost total cost required for transportation
Transport
service
reliability on-time delivery of transport mode
flexibility
ability to react to a change in environment of freight
transportation
transport frequency transport frequency within a certain period
freight information service providing real-time information in freight transport
Safety
transport safety ability to prevent accidents on transport mode and routes
freight safety ability to prevent damage or theft of freight
Awareness
transport route awareness degree to which the transport route is perceived
transport mode awareness degree to which the transport mode is perceived