misc TIGER clean up, SC I-20

added missing interchange on SC I-20 exit 80

SC I-20 and US-176 TIGER clean up

added SC 0-26 exit numbers, correct oneway tag on exit ramp

added bridge on SC I-26 at Cross Anchor

added motorway_link way to exit 82 on SC I-26

connected I-26 ways at Lexinton/Richland SC county line

added traffic lights to POI, Lexington, SC

added exit number refs to I-26 exit

added ref exit numbers to I-26

moved ways per GPS track

correct street name, deleted duplicate street

corrected way direction on exit ramp at US1/I26 interchange

exit ramp way direction change

I-26 exit 165 added bridge

corrected I-26 way direction

corrected way direction on US1/I26 exit ramp

I-26 Lexington county added bridges, clean up TIGER errors

I-26 TIGER fix up, near exit 149

I-26 Calhoun county, SC TIGER fix up