corrected ways per track and survey
more edits to SC277 to motorway
upgraded SC277 from I77 to I20 as motorway for better routing
minor edits to Gibson Pond park ways
clean up and eviewed Devil's Backbone and Ridge Roads
connected RidgeRd ways, deleted noname nonexistent ways, added name_1
connected motorway_link to US21
connected motorway_link to I26, was missing connection
corrected motorway_link connection from Bush River Rd to I26
added Lexington Sports Complex
added more of Gibson Pond Park
added Gibson Pond park, Lexington, SC
added ref tags to US 321, SC 6 and SC 3
I20 exit 137 added oneway tags and new ways
I20 at exit 131, added oneway tags, misc clean up
more oneway tags I20 at exit 123