U.S. Route 171 (English Wikipedia)

Google (August 24, 2017). "Overview Map of US 171" (Map). Google Maps. Google. Retrieved August 24, 2017.
Google (August 24, 2017). "Overview Map of US 171 Business" (Map). Google Maps. Google. Retrieved August 24, 2017.

la.gov

wwwsp.dotd.la.gov

Louisiana Department of Transportation and Development, Highway Inventory Unit (2016). "LRS Conversion Tool". Louisiana Department of Transportation and Development. Retrieved August 23, 2017.
Louisiana Department of Transportation and Development, Office of Multimodal Planning (February 2012). Calcasieu Parish (East Section) (PDF) (Map). Scale not given. Baton Rouge: Louisiana Department of Transportation and Development. Retrieved August 23, 2017.
Louisiana Department of Transportation and Development, Office of Multimodal Planning (July 2012). District 07: Official Control Section Map, Construction and Maintenance (PDF) (Map). Scale not given. Baton Rouge: Louisiana Department of Transportation and Development. Retrieved August 23, 2017.
Louisiana Department of Transportation and Development, Office of Multimodal Planning (February 2012). Beauregard Parish (East Section) (PDF) (Map). Scale not given. Baton Rouge: Louisiana Department of Transportation and Development. Retrieved August 23, 2017.
Louisiana Department of Transportation and Development, Office of Multimodal Planning (February 2012). Vernon Parish (West Section) (PDF) (Map). Scale not given. Baton Rouge: Louisiana Department of Transportation and Development. Retrieved August 23, 2017.
Louisiana Department of Transportation and Development, Office of Multimodal Planning (February 2012). District 08: Official Control Section Map, Construction and Maintenance (PDF) (Map). Scale not given. Baton Rouge: Louisiana Department of Transportation and Development. Retrieved August 23, 2017.
Louisiana Department of Transportation and Development, Office of Multimodal Planning (February 2012). Sabine Parish (South Section) (PDF) (Map). Scale not given. Baton Rouge: Louisiana Department of Transportation and Development. Retrieved August 23, 2017.
Louisiana Department of Transportation and Development, Office of Multimodal Planning (February 2012). Sabine Parish (North Section) (PDF) (Map). Scale not given. Baton Rouge: Louisiana Department of Transportation and Development. Retrieved August 23, 2017.
Louisiana Department of Transportation and Development, Office of Multimodal Planning (February 2012). DeSoto Parish (East Section) (PDF) (Map). Scale not given. Baton Rouge: Louisiana Department of Transportation and Development. Retrieved August 23, 2017.
Louisiana Department of Transportation and Development, Office of Multimodal Planning (February 2012). DeSoto Parish (West Section) (PDF) (Map). Scale not given. Baton Rouge: Louisiana Department of Transportation and Development. Retrieved August 23, 2017.
Louisiana Department of Transportation and Development, Office of Multimodal Planning (February 2012). District 04: Official Control Section Map, Construction and Maintenance (PDF) (Map). Scale not given. Baton Rouge: Louisiana Department of Transportation and Development. Retrieved August 23, 2017.
Louisiana Department of Transportation and Development, Office of Multimodal Planning (February 2012). Caddo Parish (South Section) (PDF) (Map). Scale not given. Baton Rouge: Louisiana Department of Transportation and Development. Retrieved August 23, 2017.
Louisiana Department of Transportation and Development, Office of Multimodal Planning (December 2015). Louisiana Memorial Highways (PDF) (Map). Louisiana Department of Transportation and Development. Retrieved August 25, 2017.

wwwapps.dotd.la.gov

"Road Closure: LA 397 (E. Ward Line Road) – Lake Charles - Calcasieu Parish". Louisiana Department of Transportation and Development. 2019-11-08. Retrieved 2020-09-19. Motorist will be detoured via US 90 (Fruge St), LA 14 (S. Martin Luther King Hwy) and LA 3020 (Opelousas St)
"DOTD TIMED Program Recognized by American Road and Transportation Builders Association for Innovation". Louisiana Department of Transportation and Development. November 19, 2013. Retrieved June 27, 2016.

gis.dotd.la.gov

"La DOTD GIS". Louisiana Department of Transportation and Development. 2013. Archived from the original on October 16, 2013. Retrieved July 25, 2013.

lgcfinc.org

"Louisiana Blue Star Markers" (PDF). Louisiana Garden Club Federation. July 2015. Retrieved September 11, 2017.

louisiana.gov

wlf.louisiana.gov

"Vernon Lake: Lake History and Management Issues" (PDF). Part VI-A: Waterbody Management Plan Series. Louisiana Department of Wildlife and Fisheries, Office of Fisheries, Inland Fisheries Section. 2017. Retrieved September 10, 2017.

louisianabyways.com

"Myths and Legends Byway". Louisiana Scenic Byways. 2017. Retrieved August 24, 2017.

transportation.org

sp.route.transportation.org

"U.S. Route Number Database". American Association of State Highway and Transportation Officials. December 2009. Retrieved January 7, 2017.
Special Committee on U.S. Route Numbering (May 4, 2008). "Special Committee on US Route Numbering Decisions" (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived from the original (MHT) on October 16, 2017. Retrieved September 12, 2017.

uglybridges.com

"National Bridge Inventory Data: US0171 Over Vernon Lake". Ugly Bridges. 2014. Retrieved September 12, 2017.
"National Bridge Inventory Data: US0171 Over Sou Pacific RR". Ugly Bridges. 2015. Retrieved September 12, 2017.
"National Bridge Inventory Data: US0171 Over Sales Branch". Ugly Bridges. 2016. Retrieved September 12, 2017.
"National Bridge Inventory Data: US0171 Over Castor Creek Relief". Ugly Bridges. 2016. Retrieved September 12, 2017.
"National Bridge Inventory Data: US0171 Over Flat Creek". Ugly Bridges. 2016. Retrieved September 12, 2017.
"National Bridge Inventory Data: US0171 Over Prairie Creek". Ugly Bridges. 2014. Retrieved September 12, 2017.

web.archive.org

"La DOTD GIS". Louisiana Department of Transportation and Development. 2013. Archived from the original on October 16, 2013. Retrieved July 25, 2013.
Special Committee on U.S. Route Numbering (May 4, 2008). "Special Committee on US Route Numbering Decisions" (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived from the original (MHT) on October 16, 2017. Retrieved September 12, 2017.

wikimedia.org

commons.wikimedia.org

Bureau of Public Roads & American Association of State Highway Officials (November 11, 1926). United States System of Highways Adopted for Uniform Marking by the American Association of State Highway Officials (Map). 1:7,000,000. Washington, DC: United States Geological Survey. OCLC 32889555. Retrieved September 12, 2017 – via Wikimedia Commons.

worldcat.org

Bureau of Public Roads & American Association of State Highway Officials (November 11, 1926). United States System of Highways Adopted for Uniform Marking by the American Association of State Highway Officials (Map). 1:7,000,000. Washington, DC: United States Geological Survey. OCLC 32889555. Retrieved September 12, 2017 – via Wikimedia Commons.