Determine road widths

Determine roads lane count

Specify whether there is street parking and what kind

Survey housenumbers

Specify building types

Specify whether traffic signals have tactile indications that it's safe to cross

Specify whether traffic signals have a button for pedestrians

Specify whether traffic signals have sound signals

Specify whether crosswalks have tactile paving

Specify whether pedestrian crossings have islands

Specify roof shapes

Specify building types

Specify speed limits

Determine road names and types

Specify speed limits

Specify roof shapes

Specify building types

Specify whether narrow roads are one-ways

Determine road widths

Specify path surfaces