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| Route information | ||||
| Maintained by Louisiana DOTD | ||||
| Length: | 2.94 mi (4.73 km) | |||
| Major junctions | ||||
| West end: | US 190 in Covington | |||
| East end: | US 190 in Covington | |||
| Location | ||||
| Parishes: | St. Tammany | |||
| Highway system | ||||
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United States Numbered Highways
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U.S. Highway 190 Business (BUS US 190, officially 190-X) is a state highway in Louisiana that serves St. Tammany Parish. It spans 2.94 miles (4.73 km) in a southeast to northwest direction and it is bannered as Business 190, with no directional shields. It is known locally as North 21st Street and Boston Street. It is also the route used to access LA 21 South.
From the west, Business US 190 begins travelling eastward into downtown Covington. The older alignment of US 190, it meets LA 21 at a signalled intersection, and LA 21 is combined with Business US 190 until the Business 190 designation is dropped at the current US 190. Going through downtown, the now-combined Business US 190/LA 21 intersect LA 437. After under a mile, the Business US 190 designation is dropped, leaving US 21 to continue in an easterly direction.
Business US 190 is an undivided, two-lane highway for its entire length.
The entire route is in Covington, St. Tammany Parish.
| Mile | Destinations | Notes | ||
|---|---|---|---|---|
| 0.00 | US 190 | |||
| 1.75 | LA 21 south (S. Tyler Street) to I-90 | West end of LA 21 overlap | ||
| 2.52 | LA 437 (N. Columbia Street) to LA 25 | |||
| 2.94 | US 190 / LA 21 north | East end of LA 21 overlap | ||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus • Closed/Former • Incomplete access • Unopened |
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