Highway 7 (Arkansas)
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| Route information | ||||
| Maintained by AHTD | ||||
| Length: | 297.27 mi (478.41 km) | |||
| Existed: | 1926 – present | |||
| Major junctions | ||||
| South end: |
 LA 558, Louisiana state line |
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  US 63 / US 167 near El Dorado  US 79 / US 278 in Camden US 67 in Arkadelphia I-30 in Caddo Valley US 64 in Russellville I-40 in Russellville  US 65B / AR 43 in Harrison   US 62 / US 65 / US 412 in Harrison |
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| North end: | Lead Hill Public Use Area, Diamond City | |||
| Location | ||||
| Counties: | Union, Ouachita, Dallas, Clark, Hot Spring, Garland, Perry, Yell, Pope, Newton, Boone | |||
| Highway system | ||||
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Highway 7 (AR 7, Ark. 7, Hwy. 7, and partially Scenic 7 Byway) is a north–south state highway that runs across the state. As Arkansas's longest state highway, the route runs 297.27 miles (478.41 km) from Louisiana Highway 558 at the Louisiana state line north to Bull Shoals Lake at Diamond City near the Missouri state line. With the exception of the segment north of Harrison, Highway 7 has been designated as an Arkansas Scenic Byway and a National Forest Scenic Byway. The road passes through the heart of both the Ozark Mountains and the Ouachita Mountains, and features scenic views. It's the route favored by motorcycle riders touring the region.
AR 7 begins at the Louisiana state line near Lockhart, Louisiana. It runs north and meets US 63/US 167, which it forms a concurrency with until El Dorado. North of El Dorado AR 7 shoots a spur route named the Calion Cutoff. The route continues north to cross AR 335 before entering Smackover. Arkansas Highway 7 Business goes through downtown Smackover, while the main route runs around the town meeting AR 172. AR 7 continues northwest to enter Ouachita County. AR 7 runs roughly parallel to AR 376 until meeting the route south of Cullendale. The route continues north to Camden, when it intersects US 79/US 278 (formerly AR 4). AR 7 continues north through downtown and heads northwest to enter Dallas County.
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