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Specify roof shapes
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Specify building and roof levels
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Specify road smoothness
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Specify sidewalk surfaces
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Specify step counts
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Specify whether ways are lit
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Specify path surfaces
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Specify whether ways are lit
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Specify sidewalk surfaces
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Specify roof shapes
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Specify road smoothness
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Survey availability of air conditioning
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Specify building and roof levels
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Specify building types
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Specify road surfaces
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Specify sidewalk surfaces
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Specify road smoothness
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Determine the heights of kerbs at crossings
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Specify building and roof levels
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Survey tactile paving on steps