Brief Description (Alt Text):A set of four figures showing four different dimensions of accessible routing problem.
Detailed Description (Description):
The first figure shows a wheelchair user pondering at the bottom of a steep slope considering it to be too high to surmount. Since, different users have different capabilities, personalized routing is necessary for each. Second figure shows two different surfaces -one gravel and one cobblestoneand a wheelchair user is trying to decide which surface is to choose on his way to the destination. The third figure shows a narrow corridor through which a wheelchair user is trying to navigate with two sharp 90-degree turns and is considering them too sharp. The fourth figures shows two different routes generated by Google map between a pair of source and destination locations. Naturally, the wheelchair user is trying to decide which route is the shortest.