| State Route 21 | ||||
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| Route information | ||||
| Maintained by GDOT | ||||
| Length: | 84.29 mi[1] (135.65 km) | |||
| Major junctions | ||||
| South end: | SR 204 in Savannah | |||
| I-16 in Savannah I-95 near Port Wentworth US 301 / SR 73 in Sylvania |
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| North end: | US 25 / SR 121 near Millen | |||
| Highway system | ||||
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Georgia State Routes
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State Route 21 is a state route located in the eastern part of the U.S. state of Georgia that runs from SR 204 in Savannah north to US 25/SR 121 north of Millen.
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State Route 21 begins at SR 204, also known as Abercorn Street, in Savannah. The route travels to the west, becoming a freeway, and gaining the designations of Interstate 516 and the unsigned State Route 421. The routes travel west, then turn to the north at the interchange with Veterans Parkway. At the next exit, US 17 and US 80 join the freeway. Continuing north, the routes have an interchange at Interstate 16, and US 17 departs to the east. At exit 7 US 80 departs to the west, and the routes turn westward. After an interchange with SR 25, Interstate 516 and SR 421 end, and SR 21 continues its northward route. In Port Wentworth, SR 30 joins the route; north of their interchange with Interstate 95, SR 30 departs to the west.
State Route 21 continues north, leaving Chatham County and entering Effingham County. The route passes through Rincon and Springfield, then continues northwest, through rural parts of the county, and continuing into Screven County. After a brief concurrency with U.S. 301 around Sylvania, SR 21 continues west into Jenkins County. East of Millen, SR 21 turns to the north at its junction with SR 67, then arcs to the northeast of Millen to meet its northern terminus at US 25/SR 121. SR 21 is being considered for part of the proposed Interstate 3.
State Route 21 is a major corridor in the areas it passes through. The route handles an Average Annual Daily Traffic of 51,200 vehicles near its southern terminus. While the traffic on the route decreases as the route runs north from Savannah, the route maintains an AADT of at least 2,000 to Sylvania.[2]
The Tom Triplett Parkway is a section of State Route 21 located in Port Wentworth on the west side of the Greater Savannah Area.
It stretches from the Effingham-Chatham county border (roughly the Lake Cherie Road intersection) to the Port Wentworth-Garden City municipal border (roughly the State Route 307 [3] intersection).
In 2000, the Georgia General Assembly passed a resolution [4] to designate this portion of State Route 21 in honor of Tom Triplett,[5] a Democrat who served as Mayor of Port Wentworth and as a State Representative for 18 years. Tom Triplett died in 2006, at 71 years old.
State Route 21 has several banner routes:
State Route 21 Business |
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| Location: | Sylvania |
Georgia State Route 21 Business is the former alignment of SR 21 through Sylvania.
| State Route 21 Connector | |
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| Location: | Sylvania |
Georgia State Route 21 Connector is a short connector in Sylvania.
| State Route 21 Spur | |
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| Location: | Garden City |
Georgia State Route 21 Spur is a short spur in Garden City connecting SR 21 with SR 25 and several port terminals on the Savannah River.
| State Route 21 Spur | |
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| Location: | Springfield |
Georgia State Route 21 Spur is a short spur in Effingham County connecting SR 21 with SR 119 just north of Springfield.