Virginia State Route 70
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| Route information | ||||
| Maintained by VDOT | ||||
| Length: | 11.88 mi (19.12 km) | |||
| Existed: | 1940 – present | |||
| Major junctions | ||||
| South end: |
 SR 70 near Kyles Ford, TN
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| North end: |
 US 58 in Jonesville
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| Location | ||||
| Counties: | Lee | |||
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State Route 70 (SR 70) is a primary state highway in Lee County, Virginia, running from the Tennessee state line to U.S. Route 58 in Jonesville. Its continuation in Tennessee, also numbered State Route 70, continues south to the North Carolina state line at North Carolina Highway 208.
SR 70 begins at the Tennessee state line in the valley formed by Blackwater Creek. It follows that creek past Blackwater, but soon leaves it to ascend Powell Mountain, which it crosses at Hunter Gap. SR 70 comes down off that mountain and then rises again, crossing Wallen Ridge before descending again and crossing the Powell River on Sewell Bridge. From there it heads north across a relatively flat area, ending at US 58 in the eastern part of Jonesville.
The road from Jonesville south via Blackwater to Tennessee was part of the Trail of the Lonesome Pine, an auto trail from Detroit to Florida. In 1924, a group of citizens from far western Virginia appeared before the State Highway Commission, asking them to take it over as a state highway. A member of the Tennessee Legislature stated that be was sure that it would be designated a state highway in Tennessee if Virginia took over their part. The northernmost two miles (3 km) were added later in 1924 as SR 1010, and a further 8 miles (13 km) were added in 1927. SR 1010 was renumbered to SR 103 in the 1928 renumbering, and the final 3.5-mile (5.5 km) piece from Blackwater to Tennessee was added that year.
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