Georgia State Route 408
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| Larry Justice Highway | |||||||
_map.svg) |
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| Maintained by GDOT | |||||||
| Length: | 15.83 mi (25.48 km) | ||||||
| Existed: | 1967 – present | ||||||
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| South end: |
 I‑75 near Macon
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  US 41 / SR 19 near Bolingbroke
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| North end: |
I‑75 near Bolingbroke |
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Interstate 475 (I-475) is a 15.83-mile-long (25.48 km) auxiliary Interstate highway in Georgia, splitting off from I-75 and bypassing Macon. It is also unsigned State Route 408 (SR 408). This is the preferred route for through traffic, as I-75 enters downtown Macon and reduces to four lanes (two in either direction; undergoing widening), and has a 60-mile-per-hour (97 km/h) speed limit, in addition to the highway interchange with I-16.
I-475 carries six lanes (three in each direction) throughout its entire route (expanding to eight lanes at both junctions with I-75), except at its northernmost terminus with I-75, where it briefly reduces to four lanes.
The road has also been equipped with traffic cameras, which are a part of the Georgia Navigator system that has been extended via fiber optics all the way from metro Atlanta, nearly 100 miles (160 km) to the north-northwest.
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Wikipedia