Question: Interstate 20 travels through what Rockdale County city in Georgia?

full_context: Document 1: U.S. Route 78 in Georgia: U.S. Route 78 (US 78) is a 233.3 mi U.S. Highway in the U.S. state of Georgia. It travels west to east in the north-central part of the state, starting at the Alabama state line, west of Tallapoosa, where the roadway continues concurrent with the unsigned highway Alabama State Route 4. This is also the western terminus of Georgia State Route 8 (SR 8), which is concurrent with US 78 to the east. The highway serves the Atlanta, Athens, and Augusta metropolitan areas on its path from the Alabama state line to the South Carolina state line, at the Savannah River, on the northeastern edge of Augusta, where it continues concurrent with US 1/US 25/US 278/SC 121. This is also the eastern terminus of SR 10 and the northern terminus of SR 121, as well as the southern terminus of SC 121. US 78 travels through portions of Haralson, Carroll, Douglas, Cobb, Fulton, DeKalb, Gwinnett, Walton, Oconee, Clarke, Oglethorpe, Wilkes, McDuffie, Columbia, and Richmond counties.
Document 2: The Rockdale News: The Rockdale News is a newspaper serving Conyers, Georgia, and surrounding Rockdale County. The newspaper publishes once per week on Saturdays.
Document 3: Heritage High School (Conyers, Georgia): Heritage High School is one of three public secondary schools in Rockdale County in Conyers, Georgia, United States (the others being Rockdale County High School and Salem High School). Heritage High School is home of the Patriots. It has twice been named a School of Excellence. In December 2009, "U.S. News & World Report" gave Heritage High School a silver medal ranking in the top 500 high schools in the nation. In 2014 Heritage High School became an Academy for Performing and Visual Arts.
Document 4: Georgia State Route 10: State Route 10 (SR 10) is a 172.3 mi state highway in the U.S. state of Georgia. It travels from Downtown Atlanta to the South Carolina state line in Augusta. This highway, along with U.S. Route 78 (US 78), connect three of the biggest metro areas of the state together: Atlanta, Athens, and Augusta. It travels concurrently with US 78 in three sections: from Atlanta to Druid Hills; from near Stone Mountain to near Athens; and from Athens to its eastern terminus, for a total of 149.2 mi , or approximately 86.6 percent of its route.
Document 5: Rockdale County High School: Rockdale County High School is located in the heart of Conyers, Georgia, United States, in the old-town district. RCHS is one of four high schools located in Rockdale County, along with Heritage High School, Salem High School, and the Rockdale Career Academy. RCHS also hosts the Rockdale Magnet School for Science and Technology, which is sponsored by Georgia Tech.
Document 6: Interstate 75 in Georgia: Interstate 75 (I-75) in the U.S. state of Georgia runs north–south along the U.S. Route 41 (US 41) corridor on the western side of the state, passing through the cities of Valdosta, Macon, and Atlanta. It is also designated—but not signed—as State Route 401 (SR 401). In downtown Atlanta, I-75 joins with I-85 as the Downtown Connector.
Document 7: The Rockdale Citizen: The Rockdale Citizen is a newspaper serving the community of Conyers, Georgia and Rockdale County, Georgia, USA. The Citizen publishes five days a week, Tuesday through Friday and Sunday, serves as the legal organ for Rockdale County, and is available online. It is a member of the Georgia Press Association.
Document 8: Salem High School (Conyers, Georgia): Salem High School is one of three public secondary schools in Rockdale County in Conyers, Georgia, United States. The school educates about 1,600 students in grades 9 to 12 in the Rockdale County Public School district.
Document 9: Business routes of Interstate 20: Interstate 20 has 15 business routes located in Texas and one additional route in South Carolina:
Document 10: Georgia State Route 520: State Route 520 (SR 520), also known as the South Georgia Parkway, is a state highway in the southern part of the U.S. state of Georgia. It runs from the Alabama state line, at the Chattahoochee River to Jekyll Island. It has many concurrencies along its route, including U.S. Route 280 (US 280) from the Alabama state line to Richland; US 27 from Columbus to Cusseta; and especially US 82 from Dawson to a point southwest of Brunswick.
Document 11: Interstate 85: Interstate 85 (I-85) is a major Interstate Highway in the Southeastern United States. Its current southern terminus is at an interchange with I-65 in Montgomery, Alabama; its northern terminus interchanges with I-95 in Petersburg, Virginia, near Richmond. It is nominally north–south, but physically mostly northeast–southwest. While most interstates that end in a "5" are cross-country routes, I-85 is mainly a regional route, serving five southeastern states. Major metropolitan areas served by I-85 include the Greater Richmond Region in Virginia, the Research Triangle, Piedmont Triad, and Metrolina regions of North Carolina, Upstate South Carolina, the Atlanta metropolitan area in Georgia, and the Montgomery metropolitan area in Alabama
Document 12: Interstate 20 in Georgia: In the U.S. state of Georgia, Interstate 20 (I-20) travels from the Alabama state line to the Savannah River, which is the South Carolina state line. The highway enters the state near Tallapoosa. It travels through the Atlanta metropolitan area and exits the state in Augusta. The highway also travels through the cities of Bremen, Douglasville, Conyers, Covington, and Madison. I-20 has the unsigned state highway designation of State Route 402 (SR 402).
Document 13: Conyers, Georgia: Conyers is the only city in Rockdale County, Georgia, United States. The city is twenty-four miles east of Atlanta. As of the 2010 census, the city population was 15,195. The city is the county seat of Rockdale County. The formerly separate town of Milstead is now part of Conyers.
Document 14: Rockdale County School District: The Rockdale County School District is a public school district in Rockdale County, Georgia, United States, based in Conyers. It serves the communities of Conyers and Lakeview Estates.
Document 15: Georgia State Route 3: State Route 3 (SR 3) is a 351 mi state highway that travels south-to-north through portions of the western part of the U.S. state of Georgia, roughly paralleling Interstate 75 (I-75). The highway travels from its southern terminus at the Florida state line, where SR 3 and SR 300 both reach their southern terminus, concurrent with US 19. Here, US 19 travels concurrent with State Road 57, 12 mi south-southeast of Thomasville. SR 3 travels through portions of Thomas, Mitchell, Dougherty, Lee, Sumter, Schley, Taylor, Upson, Pike, Spalding, Henry, Clayton, Fulton, Cobb, Bartow, Gordon, Whitfield, and Catoosa counties to its northern terminus at the Tennessee state line, in East Ridge, where US 41/US 76 continue, concurrent with State Route 8. It travels through Thomasville, Albany, Griffin, Atlanta, Calhoun, and Dalton.
ground_truth: Conyers