Louisiana Highway 25
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| Route information | ||||
| Maintained by Louisiana DOTD | ||||
| Length: | 39.00 mi (62.76 km) | |||
| Major junctions | ||||
| South end: |
 US 190 in Covington | |||
 LA 40 in Folsom  LA 10 / LA 16 in Franklinton LA 38 in rural Washington Parish | ||||
| North end: |
 MS 27 at the state line | |||
| Highway system | ||||
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Louisiana Highway 25 (LA 25) is a state highway in Louisiana, USA, that serves Saint Tammany and Washington Parishes. It spans 35.61 miles (57.31 km) and is bannered north/south.
Route description
From the south, LA 25 begins at a junction with U.S. Highway 190 in Covington and heads due north through Saint Tammany Parish. In Saint Tammany, LA 25 intersects LA 40 in Folsom. LA 25 then enters Washington Parish, where it shortly merges with LA 10 and LA 16 in Franklinton. LA 25 splits with these highways after entering the city limits and then continues due north. LA 25 intersects LA 38 in a rural part of Washington Parish and then ends a few miles later at the Louisiana/Mississippi state line, where LA 25 becomes Mississippi Highway 27.
Major intersections
| Parish | Location | mi | km | Destinations | Notes |
|---|---|---|---|---|---|
| St. Tammany | Covington | US 190 | Southern terminus of LA 25 | ||
 LA 1078 west | Eastern terminus of LA 1078 | ||||
 LA 1077 west | Eastern terminus of LA 1077 | ||||
| Folsom | LA 40 | ||||
 LA 450 north | Southern terminus of LA 450 | ||||
| Washington | LA 16 west | Southern end of LA 16 concurrency | |||
| Franklinton | LA 10 west | Western end of LA 10 concurrency | |||
| LA 10 east / LA 16 east | Eastern end of LA 10 concurrency; northern end of LA 16 concurrency | ||||
| LA 38 | |||||
 LA 438 | |||||
| MS 27 north | Mississippi state line | ||||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||