removed dup NHD node, expanded road names, changed streams to layer -1
added Lake Murray bouy number 42
added oneway tags and junction tags on exit 91 I-26
added junction tag on I-26 exit 76
added I-26 exit 101 junction tags
Broad St and W Hampton St/Rd to tertiary
changed Ridge Rd, Cedar Grove Rd and Devils Backbone Rd to tertiary
added bridge over creek on Cedar Grove Rd and changed to tertiary
added I-26 exit 102 motorway_junction tags
added I-26 exit 103 junction tags
added I-26 exit 104 motorway_junction tags and ref tags to exit ways
added I-26 exit 107 motoway_junctions and ref 107 to ways
I-20 exit 44 junction, again???
added junction at I20 exit 33 and split exit way
added motorway_junction I 20 exit 58
added junction I26 and I 20 interchange