Updated roads based on street signs and VDOT data

NVCC Loudoun campus footpaths from heatmaps

added tags to highways and fixed geometry

school corrections and additions

Lots of edits to building footprints and service roads, which then required major edits to some sidewalks. Still a lot needs to be done, but I've run out of time.

Fixed Ankers Shop Cir, added Car Parking lot

Sterling VA

adding bus routes

some work on Virginia routes

BBOX:-77.43,39.00,-77.38,39.04 ADD:0 UPD:49 DEL:1

adding buildings nvcc

building footprints

building footprints