(PR 45) runs in a north–south direction from LA 42 at Colyell to US 190 at Satsuma. It is locally known as South Satsuma Road. PR 45 is only signed at its interchange with I-12 by La DOTD. The posted speed limit is . Natchitoches Parish Road 547 Natchitoches Parish Road 547 (PR 547) runs in a general east–west direction from LA 1222 northeast of Robeline to PR 441 (Johnson Chute Road) west of Natchitoches. It is locally known as Posey Road. PR 547 is only signed with standard markers at its interchange with I-49 by La DOTD. However, its number does appear on local street signs next to its local name. Natchitoches Parish Road 620 Natchitoches Parish Road 620 (PR 620) runs in an east–west direction from the I-49 frontage road in Natchitoches to PR 615 (Old River Road) south of Natchez. It is locally known as Flora-Natchez Road. PR 620 is only signed with standard markers at the junction of LA 478 and Flora-Natchez Road near the former's interchange with I-49. However, its number does appear on local street signs next to its local name. The western segment of Flora-Natchez Road, including its intersection with LA 478, was relocated by La DOTD in the 1980s to accommodate the I-49 interchange. The resulting road segment is state-maintained and internally designated as a frontage road for I-49, the remainder being the parish-maintained PR 620. Natchitoches Parish Road 820 Natchitoches Parish Road 820 (PR 820) runs in a general northwest to southeast direction from Coco Bed Road in Cloutierville to LA 490 in Chopin. It is locally known as Emmanuel Road. PR 820 is only signed with standard markers at its junction with LA 490 near an interchange with I-49. However, its number does appear on local street signs next to its local name. Natchitoches Parish Road 829 Natchitoches Parish Road 829 (PR 829) runs in an east–west direction from the junction of LA 493 and Forest Service Road 339 (FS 339) south of Montrose to LA 119 in Derry. It is locally known as Bayou Derbonne Road. PR 829 is only signed with standard markers at its junction with LA 119 near an interchange with I-49. However, its number does appear on local street signs next to its local name. Ouachita Parish Road 25 Ouachita Parish Road 25 (PR 25) runs in a general southeast to northwest direction from Cheniere