Hypothesis 1 : Experiment data will show that, for those with
limited vision, specific locations and tasks cause difficulty when using transit.
The use of auditory signage will mitigate much of the difficulty.
Hypothesis 2 : Difficulties of transit tasks will affect travel activity and behavior and reduce trips and accessibility. Subjects will estimate they would make more trips and access more places if RIAS was installed.
Hypothesis 3 : Travel and access limitations negatively impacts the quality of life for those with vision loss. When using RIAS, subjects will report a wide range of positive influences on their quality of life.
Hypothesis 4 : The field test data and subject’s observations, ratings, and opinions will demonstrate a wide variety of benefits that accrue to the user of RIAS.
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