changed I 80 name and ref tags per US highway tagging wiki
changed name tag to Interstate Highway 80
changed name of I-77 section from Parklane to Interstate 77
corrected I-95 name tag and value
added features to I-20 truck rest area
corrected ref tag from SC 176 to US 176 on bridge over I26
reviewed and added surface tags off Shull Rd, Gilbert SC
review and added missing road off Old Chapin Rd, Lexington
I-20 fixup, added bridges, corrected tags
added/changed I 20 BUS ref tags
added maxspeed, lanes and name_1 tags to I-20 at I-95
BBOX:-81.52,33.98,-81.45,34.02 ADD:0 UPD:2 DEL:0 changed tags
added ref tag to US 136 and deleted duplicate cross ways
joined US136 ways and added ref tags. Deleted dulicate cross way
joined US 136 way,added ref tags and deleted duplicate cross ways
joined US136 ways, added ref tags and deleted duplicate cross way at county line