Louisiana Highway 406
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| Louisiana Highway 406 |
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| Length: | 6.02 mi (9.69 km) | ||||||||
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| Formed: | 1955 renumbering | ||||||||
| West end: |  LA 23 in Belle Chasse |
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| East end: | Stanton Road at English Turn in New Orleans | ||||||||
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Louisiana Highway 406 (LA 406) is a state highway in Louisiana that serves Plaquemines and Orleans Parishes. It spans 6.02 miles and runs in a south to north (though it is bannered east/west at its intersection with LA 407). It is commonly known as Woodland Highway, River Road, and Patterson Drive.
[edit] Route description
From the southwest, LA 406 begins at an intersection with LA 23 in Belle Chasse. It then runs northward along the east bank of the Gulf Intracoastal Waterway, entering Orleans Parish, reentering Plaquemines Parish, and reentering Orleans Parish for a final time. It intersects LA 407 via a bridge over the Gulf Intracoastal Waterway. LA 406 then passes the English Turn community and becomes River Road/Patterson Drive before ending at an intersection with Stanton Road. River Road continues as a local road until reaching the U.S. Coast Guard Station.
LA 406 is an undivided, two-lane road from LA 23 to south of LA 407. The route then expands to a divided four-lane road at the LA 407 interchange before reverting to an undivided, two-lane road from north of LA 407 to Stanton Road.
[edit] Junction list
| Parish | Location | Mile | Junction | Notes | |
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| Plaquemines | Belle Chasse | Western terminus of  LA 406 |
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| 0.00 | LA 23 (Belle Chasse Highway) |
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| Orleans | New Orleans | N/A | (No Junctions) | ||
| Plaquemines | Belle Chasse | N/A | (No Junctions) | ||
| Orleans | New Orleans | 2.7 |  LA 407 (Woodland Highway) |
Southern Terminus of LA 407 LA 406 continues northward to become River Road/Patterson Drive |
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| 6.02 | End of State Maintenance at Stanton Road | ||||
| Eastern terminus of LA 406 |
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