Layer sidewalk continuity, curb‑ramp presence, crosswalk timing, surface type, slope estimates, benches, and lighting. Treat alleys and plaza cut‑throughs as potential gems, but verify width and conflicts. Favor midblock crossings with refuge islands, continuous protection from turning traffic, and predictable wayfinding landmarks that help travelers memorize safe sequences without constant phone checks.
Paper maps miss tilted slabs, door thresholds, and gravel patches. Walk or roll the candidate path, measuring slope with a phone clinometer, testing curb ramps, listening for confusing signals, and noting conflicts with deliveries. Photograph evidence, record coordinates, and timestamp elevator conditions so future travelers benefit from more than hopeful lines on a screen.
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