Page 261 - Proceeding of Atrans Young Researcher's Forum 2019_Neat
P. 261
“Transportation for A Better Life:
Smart Mobility for Now and Then”
23 August 2019, Bangkok, Thailand
questionnaire to answer the 10 items that make up evaluation, and the walkability value with
the walking environment by the 5-point method objectivity added was calculated using the weight
while walking in the case of the field survey were value. The AHP Questionnaire performs paired
conducted. In parallel, 13 respondents watched this comparisons for each item, and has the degree of
animation which was recorded by using the importance of each evaluation item answered by a 9-
omnidirectional camera (RICOH THETA V) at 12 point method. In the questionnaire, the responses
selected sections (Zones) by wearing the head were got from 4 people who have more than a certain
mounted display (HMD). To avoid influence the level of knowledge about the walking environment.
impression of the previous survey to the latter Fig. 3 shows the hierarchical structure of the
survey, about half of the subjects were asked to factors set as evaluation items of the walking
conduct VR survey after the field survey, and the environment, and Table 1 shows the result about
other half were asked to conduct field survey after importance of each item quantified by AHP.
the VR survey.
Fig.1 below shows a participant views a Comprehensive Road Existence of
360-degree video of the survey places using VR, and Evaluation Structure Sidewalk
Fig.2 shows the route and section of the survey.
Less Steps and
Bumps
Enough Width
Less Cracks on
Surface
Environment on Few
Road Obstructions
Cleanness on
Road
Facilities on Installation of
Road Street Light
Pedestrian
signs in place
Fig. 1 Viewing VR images with a head mounted
display Planting is
arranged
Street
Furnitures
⑥ ⑦
Fig. 3 Evaluation items for walking environment
⑤
⑧
Table 1 Calculated weight by AHP
④
⑨ A. B. C. Geometric
Road Environment Facilities Weight
③ Mean
Structure on Roads on Roads
②
⑩ A. Road
① Structure 1.000 5.500 5.000 3.018 0.715
⑪ ⑫ 〇 Zone Number
B.
Environment 0.182 1.000 2.586 0.778 0.184
on Roads
Fig. 2 Survey routes and sections C. Facilities
on Roads 0.200 0.387 1.000 0.426 0.101
The weight (importance) of each evaluation
item was calculated by applying AHP (hierarchical Total 4.222
decision-making method) for the scored walkability
236