Adding sidewalks and a parking lot.

Adding sidewalks, changing a service road to a secondary link, and changing geometry of nearby roads.

Adding Sonic Drive-in, its drive-through roads, and extending sidewalks.

Adding sidewalks to Frederick Crossing and changing geometry of nearby roads and car parking areas.

Changing track roads to "Private" and adding parking lot for Frederick Christian Academy.

Changing Culler Oaks Neighborhood and Frederick Christian Academy School Grounds from points to areas, adding track roads, and changing name from "Goldmine Road" to "Gold Mine Road".

Adding Dunkin' Donuts, changing Giant Eagle and Roy Rogers from points to buildings, and adding parking lots for all three.

Adjusting geometry of "Frederick Shoppers World" and adding Shell Gas Station.

Changing Wolf's Furniture and Denny's from points to areas and adding their parking lots, changing the category of Wendy's, and adding a couple traffic signals.

Changing PNC Bank, BP, and Food Lion from points to areas and covering roads.

Converting a service road into a Track Road, and merging to residential areas.

Adding a small parking lot.

Modifying divided section of Colony Drive to unify intersections and changing road names to full versions.

Changing road names from abbreviations to full suffixes.

Adding minor power lines, tree rows, a corn farm, a track road, and changing Israel Creek Cemetery from a point to an area,

Adding "Shoulder=yes" tag to resolve "note".

Adding a farmyard, and unpaved track road, and a tree row.

Changing road surface to resolve a "note".

Changing road surface, lanes, and adding a traffic light to resolve "notes".

Adding concrete path to resolve "note".