high schools: Glenn Hills, Butler, Westside, Hephzibah, T. W. Josey, A.R.C. (Academy of Richmond County), Lucy Craft Laney, and Cross Creek. There are four magnet schools: C. T. Walker Traditional Magnet School, A. R. Johnson Health Science and Engineering Magnet High School, Davidson Fine Arts, and the Richmond County Technical Career Magnet School. Private schools in Augusta include Aquinas High School, Episcopal Day School, Saint Mary on the Hill Catholic School, Immaculate Conception School, Hillcrest Baptist Church School, Curtis Baptist High School, Gracewood Baptist First Academy, Alleluia Community School, New Life Christian Academy, Charles Henry Terrell Academy, Heritage Academy, and Westminster Schools of Augusta. Augusta Christian Schools, Augusta First Seventh-day Adventist School, and Augusta Preparatory Day School serve Augusta, but are located in neighboring Martinez. Transportation Augusta is linked to Atlanta to the west and Columbia, South Carolina, to the east by Interstate 20 (I-20). I-520 (Bobby Jones Expressway) extends from I-20 exit 196 through Augusta's western and southern suburban areas, eventually crossing the Savannah River to South Carolina, in which it is known as Palmetto Parkway. U.S. Route 1 (US 1), along with State Route 4 (SR 4), connects Wrens. US 1 also links Augusta with Aiken, South Carolina. US 25 and SR 121 connects Waynesboro with Augusta; across the state line, US 25 and South Carolina Highway 121 (SC 121) links Augusta with Edgefield, South Carolina. US 78/US 278/SR 10, known locally as Gordon Highway, connects Thomson with Augusta. In South Carolina, US 1 and US 78 go through Aiken, South Carolina. US 78 further connects with Charleston, South Carolina. US 278 bypasses Aiken and serves as a connecting route to Hilton Head Island, South Carolina. Augusta has been mentioned as the east terminus of an proposed expansion of Interstate 14 that would begin in Midland-Odessa, Texas and run through Texas, Louisiana, Mississippi, Alabama, and Georgia with hopes of connecting major military installations along the highway corridor such as Fort Hood, Fort Benning, Fort Gordon, and Camp Beauregard. Augusta has also been mentioned another proposed interstate known as Interstate 3 that would go through the city from Savannah to Knoxville, Tennessee and it only runs through two states, Georgia, and Tennessee. Major roads and expressways (follows US 1 from Jefferson County line to Gordon Highway; leaves Georgia at James U. Jackson Memorial Bridge) (various roads, including John C. Calhoun Expressway and Washington Road) in southern Richmond County Parts