Route description Georgia State Route 20

overhead signage sr 20 , sr 140 in canton

from alabama state line, sr 20 proceeds east through central floyd county city of rome, , concurrent us 27, sr 1, , sr 53 through downtown rome. highway leaves rome east, concurrent us 411, bisecting floyd county, , enters , bisects bartow county, still concurrent us 411 until north of cartersville (us 41 briefly concurrent in cartersville well), after sr 20 continues eastward on own. highway intersects i-75 north of cartersville, , continues head east, passing lake allatoona north, , entering cherokee county. sr 20 heads east central cherokee county , through county seat in canton, , has brief concurrency i-575/sr 5, before continuing east forsyth county. in central forsyth county, highway dips southeast pass south of sawnee mountain , heads through cumming, crossing us 19 , sr 400, , heading on gwinnett county, passing south of lake lanier. sr 20 turns south after interchange i-985/us 23/sr 365, crossing i-85 shortly thereafter. road has provides access sr 316, leads athens.

sr 20 south of conyers

sr 20 continues southward through lawrenceville , heads walton county , through loganville, paralleling gwinnett–walton county line, before crossing rockdale county , meeting i-20/us 278/sr 12 in conyers. alleviate driver confusion due 2 identically-numbered highways meeting, highway referred @ point sr 138, travels concurrent through conyers. sr 20 continues south , southwest henry county seat of mcdonough, briefly travels concurrent sr 81. sr 81 departs west after highways cross i-75 @ exit 218. portion of sr 20 between western end of sr 81 concurrency , lower woolsey road, highway s clockwise/eastern terminus, has been widened 2 lanes four, including new southern bypass of city of hampton, , more controlled access @ us 19/us 41. primary purpose of widening facilitate flow of traffic , atlanta motor speedway located near highway s eastern terminus.

traffic

the georgia department of transportation average annual daily traffic (aadt) numbers year 2011 show variety of daily averages across sr 20. traffic load on highway starts @ lowest daily average load route starts floyd county, numbers hover around 5,400 vehicles per day. these averages increase rapidly highway approaches rome, going around 12,000 vehicles peak of 38,000 vehicles in downtown rome. sr 20 becomes concurrent us 27/sr 1, numbers decrease average of 32,000, , decrease more rapidly around 15,000 sr 20 heads east out of rome. vehicle load stays in area way through floyd county , bartow county, highway main west-to-east thoroughfare between rome , cartersville. in cartersville, highway concurrent us 41, vehicle count reaches zenith of on 41,000, drops off sharply highway heads rural cherokee county, dipping below 10,000 before increasing again near 24,000 vehicles per day approaches i-575/sr 5. on portion of highway concurrent i-575/sr 5, highway sees maximum vehicle load of on 54,000 vehicles, again dropping rapidly east of i-575/sr 5, going around 24,000 down 11,000, , further down around 10,000 forsyth county line reached.

numbers start creep again forsyth county seat of cumming approaches, going 10,000 on 22,000 vehicles, cresting @ 37,000 vehicles south of cumming, route feeds traffic onto us 19/sr 400 southbound atlanta. averages stabilize around 20,000 vehicles per day sr 20 heads gwinnett county, briefly cresting again @ on 41,000 vehicles around i-985, , dipping around 30,000 vehicles around i-85. south of lawrenceville, numbers start decrease once more around 22,000 down 14,000 around loganville, , dip down average of on 8,000 in rural walton county. until highway reaches conyers, average numbers see lows of 6,800 in rockdale county, increasing again on 31,000 in , around conyers , i-20. rapidly decreasing once more around 7,600 vehicles per day in newton , northern henry counties, high reached in vicinity of i-75 on 28,000 vehicles per day, before highway reaches eastern terminus in hampton average traffic loads on 12,000 vehicles per day.

national highway system

the following segments of sr 20 included part of national highway system, system of routes determined important nation s economy, mobility , defense:

from western terminus @ alabama state line lawrenceville
a small portion in conyers




^ google (11 january 2013). map of georgia state route 53 (map). google maps. google. retrieved 11 january 2013. 
^ geographic transportation reporting analysis , query system (geotraqs) (map). georgia department of transportation. archived original on 27 december 2012. retrieved 11 january 2013. 
^ national highway system: georgia (pdf) (map). federal highway administration. march 25, 2015. retrieved january 8, 2017. 
^ national highway system: georgia (pdf) (map). federal highway administration. march 25, 2015. retrieved january 8, 2017.