Colored lines are what the corridor map draws, laid back onto real coordinates. Where a line misses the pavement in the photo, the map is wrong there. Add a note to describe a problem, or fix buildings and driveways directly under Edit the map.
Imagery: Esri World Imagery (Maxar, Earthstar Geographics) or USGS The National Map. Street map and features: © OpenStreetMap contributors. Marks, notes and edits stay on this device until you send them.