Removed restaurant from US 301 relation and added one way tags to service roads
Removed node from MD 175 relation and added hairdresser
Removed church node from MD 174 relation
Removed named node only from road relation
Removed non-existent point building from Maryland 648 relation
Removed dentist from Maryland 4 relation
Added other side of divided road way using DigitalGlobe-Standard imagery
Connectivity fixes with Mapbox imagery
Added buildings and minor road fixes with Bing imagery
Added intersection and removed overlapping roads
Fixed typo in country for maxspeed: UK -> UA
Fixed typo in maxspeed: split source from speed limit
Fixed typo in speed: UA:urabn to UA:urban
Fixed typo in speed: UA;rural to UA:rural
Converted turn restriction on single way to a relation.
Removed turn restriction on single way (already modeled as a relation).