Trail (English Wikipedia)

Michael Lloyd (19 February 2005). "Trails open up to disabled bikers". BBC News. Archived from the original on 8 February 2021. Retrieved 14 June 2012.

bbc.com

"New off-road cycle route links England and Scotland". BBC News. 1 September 2019. Archived from the original on 3 December 2019. Retrieved 14 January 2021.
Starr, Stephen (14 December 2020). "A new way to travel across the US". BBC.com. Archived from the original on 9 January 2021. Retrieved 14 January 2021.

bhs.org.uk

"Lobbying". British Horse Society. Archived from the original on 20 October 2020. Retrieved 7 February 2021.

bicentennialnationaltrail.com.au

"Bicentennial National Trail". Archived from the original on 14 January 2021. Retrieved 12 January 2021.

bikeradar.com

Richard Peace (17 September 2008). "Euros for EuroVelo". bikeradar.com. Future Publishing Ltd. Archived from the original on 25 September 2010. Retrieved 21 December 2009.

bloomberg.com

"Linda Poon, "The Roots of Hong Kong's Identity Are in Its Back Alleys",July 15, 2016, Bloomberg.com". Bloomberg News. 15 July 2016. Archived from the original on 7 November 2020. Retrieved 7 February 2021.

britannica.com

"Roads and highways". Encyclopedia Britannica. Archived from the original on 28 November 2020. Retrieved 6 February 2021.

ca.gov

ceres.ca.gov

"CEQA". Archived from the original on 5 April 2012. Retrieved 4 April 2012.

centerforplantconservation.org

Rice, Kathleen C. "National Collection of Imperiled Plants – Pholisma sonorae". Center for Plant Conservation. Archived from the original on 4 November 2012. Retrieved 8 June 2012.

chapman.name

john.chapman.name

"Bushwalking – Bicentennial National Trail". www.john.chapman.name. Archived from the original on 3 August 2016. Retrieved 6 June 2020.

citymtb.org

"Part 4 – Segregated Use". User Management Techniques. City MTB. Archived from the original on 15 January 2021. Retrieved 13 January 2021.

coe.int

rm.coe.int

"Transhumance Trails and Rural Roads". rm.coe.int. Archived from the original on 22 January 2021. Retrieved 6 February 2021.

communitywalk.com

"Stair Maps". communitywalk.com. Archived from the original on 12 November 2020. Retrieved 7 February 2021.

conservationtools.org

"Universal Access Trails and Shared Use Paths - ConservationTools.org". conservationtools.org. Archived from the original on 2 April 2015. Retrieved 13 June 2015.

cornell.edu

law.cornell.edu

(Pub. L.Tooltip Public Law (United States) 90–543, 82 Stat. 919, enacted October 2, 1968), codified at 16 U.S.C. § 1241 et seq.

cyclinguk.org

"Where can I cycle off-road?". cyclinguk.org. Archived from the original on 27 October 2020. Retrieved 7 February 2021.

defra.gov.uk

"Government confirms commitment to create new charity to protect Britain's waterways". DEFRA. Archived from the original on 12 March 2012. Retrieved 3 February 2012.

dnt.no

english.dnt.no

"The Norwegian Trekking Association". Archived from the original on 4 February 2021. Retrieved 8 February 2021.

doc.govt.nz

"Government of New Zealand" (PDF). Archived from the original (PDF) on 23 September 2015. Retrieved 6 June 2020.

doeni.gov.uk

"A Guide to Public Rights of Way and Access to the Countryside". Department of the Environment, Northern Ireland. Archived from the original on 19 October 2014.

doi.gov

"Motorized Recreational Use | U.S. Department of the Interior". www.doi.gov. 28 December 2015. Retrieved 27 December 2023.

dot.gov

fhwa.dot.gov

"Appointment of Fiscal Yea (FY) 2008 Recreational Trail Program Funds". Federal Highway Administration. Archived from the original on 18 October 2020. Retrieved 7 February 2021.
"Manuals and Guides for Trail Design, Construction, Maintenance, and Operation, and for Signs". fhwa.dot.gov. US Federal Highway Administration. Archived from the original on 18 December 2011. Retrieved 19 December 2011.

safety.fhwa.dot.gov

"Guide for the development of bicycle facilities" (PDF). American Association of State Highway and Transportation Officials. 1999. Archived (PDF) from the original on 15 October 2011. Retrieved 20 December 2011.

mutcd.fhwa.dot.gov

"9". The Manual on Uniformed Traffic Control Devices (MUTCD). 2009. Archived from the original on 11 November 2019. Retrieved 19 December 2011.

epa.gov

"National Trail Classification System, FSM 2350, and FSH 2309.18". Federal Register. 71 (127): 38021–38052. 3 July 2006. Archived from the original on 7 August 2009. Retrieved 6 March 2008.

era-ewv-ferp.org

""E Paths: The Best Way to Get to Know Europe", European Ramblers Association". Archived from the original on 26 November 2007. Retrieved 7 February 2021.

eurovelo.com

en.eurovelo.com

"Categories of EuroVelo Routes". EuroVelo. Archived from the original on 26 January 2021. Retrieved 6 February 2021.

everything2.com

Ski trail difficulty classifications Archived 2 August 2017 at the Wayback Machine. gavmck, Everything2, 4 June 2004. Retrieved 25 August 2009.

fao.org

"International Commission for the Protection of the Alps (CIPRA)". fao.org. Archived from the original on 23 July 2020. Retrieved 7 February 2021.

fedme.es

"FEDME – Federación Española de Deportes de Montaña y Escalada". www.fedme.es. Archived from the original on 9 August 2020. Retrieved 6 June 2020.

ffrandonnee.fr

"Fédération Française de la Randonnée Pédestre". www.ffrandonnee.fr. Archived from the original on 13 September 2010. Retrieved 6 June 2020.

forestry.gov.uk

"The Forestry Commission". Forestry Commission. Archived from the original on 30 October 2013. Retrieved 9 June 2012.

fs.fed.us

"USDA Forest Service – Caring for the land and serving people". fs.fed.us. Archived from the original on 10 June 2019. Retrieved 13 June 2015.

goldcoast.qld.gov.au

""Coastal Pathways", City off the Gold Coast". Archived from the original on 4 February 2021. Retrieved 7 February 2021.

grandconcourse.ca

"Grand Concourse". Grand Concourse Authority. Archived from the original on 4 December 2020. Retrieved 14 January 2021.

greenway.org

"About the East Coast Greenway". East Coast Greenway. Archived from the original on 26 January 2021. Retrieved 7 February 2021.

humpal.org

"Active Living By Design – HumPAL". humpal.org. Archived from the original on 13 February 2015. Retrieved 13 June 2015.

imbacanada.com

"Demographics of Mountain Biking". IMBA Canada. Archived from the original on 30 November 2020. Retrieved 13 January 2021.
"Designing and Building Sustainable Trails". imbaccanada.com. Archived from the original on 14 January 2021. Retrieved 7 February 2021.

italiannotes.com

"5 Interesting Steps to Rome". italiannotes.com. 29 June 2011. Archived from the original on 15 April 2020. Retrieved 7 February 2021.

keepirelandopen.org

"Keep Ireland Open". keepirelandopen.org. Archived from the original on 17 April 2019. Retrieved 4 April 2012.

landandwaterpartnership.org

"Designing an 'Experience' into a Trail" (PDF). Connections. Massachusetts Greenways and Trails Program. October 2008. Archived (PDF) from the original on 5 January 2015. Retrieved 4 January 2015.

lawinsider.com

"Motorized Trail Definition". Law Insider. Retrieved 27 December 2023.

legislation.gov.uk

"Countryside and Rights of Way Act 2000". legislation.gov.uk. Archived from the original on 23 January 2021. Retrieved 7 February 2021.
"Land Reform (Scotland) Act 2003 asp 2" (PDF). legislation.gov.uk. Archived (PDF) from the original on 2 March 2017. Retrieved 4 March 2017.

legislink.org

(Pub. L.Tooltip Public Law (United States) 90–543, 82 Stat. 919, enacted October 2, 1968), codified at 16 U.S.C. § 1241 et seq.

lvrj.com

"Officials seek to protect desert reptile". Las Vegas Review-Journal. Archived from the original on 7 February 2012. Retrieved 13 June 2015.

mammothmountain.com

"Mammoth Bike Park". Mammoth Mountain Ski Area. Archived from the original on 14 January 2021. Retrieved 13 January 2021.

mbie.govt.nz

"New Zealand Cycle Trail Design Guide" (PDF). New Zealand: Ministry of Business Innovation and Employment. 2019. Archived (PDF) from the original on 3 February 2021. Retrieved 14 January 2021.

nationaltrail.co.uk

"Explore your National Trails". National Trails. Retrieved 14 September 2022.

nature.scot

"Scottish Natural HeritageCommissioned Report No. 380 Developing the network of longer distance routes" (PDF). nature.scot. Archived (PDF) from the original on 8 August 2018. Retrieved 7 February 2021.

ndsu.edu

"Quebec: a poor man's Europe". ndsu.edu. Archived from the original on 7 March 2020. Retrieved 7 February 2021.

nhstateparks.org

"Cheshire Recreational Rail Trail". nhstateparks.org. Archived from the original on 1 November 2020. Retrieved 7 February 2021.

nps.gov

"Trails". nps.gov. Archived from the original on 25 April 2020. Retrieved 13 June 2015.
"National Center For Recreation & Conservation – Rivers". nps.gov. Archived from the original on 2 May 2015. Retrieved 13 June 2015.
"Appalachian National Scenic Trail". nps.gov. Archived from the original on 27 January 2021. Retrieved 7 February 2021.
"Standards for Trail Construction" (PDF). Handbook for Trail Design and Construction and Maintenance. National Park Service. 1998.

ohio-state.edu

marion.ohio-state.edu

"Introduction". North American Auto Trails. Archived from the original on 4 March 2004.

outdoors.org

Gailey, Chris (2006). "Appalachian Trail FAQs" Archived 5 May 2008 at the Wayback Machine Outdoors.org (accessed 14 September 2006)

railstotrails.org

"Accessibility". railstotrails.org. Archived from the original on 15 January 2021. Retrieved 7 February 2021.

railtrails.org.au

"What are rail trails?". railtrails.org. Archived from the original on 27 November 2020. Retrieved 7 February 2021.

ramblers.org.uk

"Definive Maps". Ramblers Association. Archived from the original on 14 January 2021. Retrieved 13 January 2021.

sctrails.net

"Glossary of Trail and Greenway Terms". South Carolina State Trails Program. 2008. Archived from the original on 13 April 2014. Retrieved 5 January 2014.

seattlestairwalks.com

"Seattle Stairway Walks". seattlestairwalks.com. Archived from the original on 1 November 2019. Retrieved 7 February 2021.

selrc.org.uk

"Sweet Track". Severn Estuary Levers Research Committee. Archived from the original on 14 April 2016. Retrieved 30 September 2016.

sentiers.be

"Le RAVel". sentiers.be. Archived from the original on 31 March 2012. Retrieved 7 February 2021.

sierraclub.org

"Sierra Club Conservation Policies Off-Road Use of Motorized Vehicles". Sierra Club. Archived from the original on 1 December 2006. Retrieved 6 June 2020.

sisterbetty.org

"Stairways of San Francisco". sisterbetty.org. Archived from the original on 26 April 2020. Retrieved 7 February 2021.

skinet.com

John Fry (November 2008). "Signs of the Times". SKI Magazine. Archived from the original on 23 March 2016. Retrieved 25 August 2011.

snh.org.uk

"Rights of way in Scotland" (PDF). Archived from the original (PDF) on 26 July 2015. Retrieved 7 February 2021.

state.pa.us

dcnr.state.pa.us

"Pennsylvania Trail Design & Development Principles: Guidelines for Sustainable, Non-motorized Trails" (PDF). PA Department of Conservation and Natural Resources (DCNR). May 2013. Archived from the original (PDF) on 6 June 2014. Retrieved 5 January 2015.

sustrans.org.uk

"About Sustrans". sustrans.org. Archived from the original on 27 September 2007. Retrieved 7 February 2021.
"About the National Cycle Network". Sustrans. Archived from the original on 25 March 2014. Retrieved 17 March 2014.

tahoedailytribune.com

McArthur, Claire (18 December 2020). "Bill seeks to remove bike ban in wilderness areas". Tahoe Daily Tribune. Archived from the original on 15 January 2021. Retrieved 14 January 2021.

tctrail.ca

"Explore and learn more about the Trans Canada Trail, one of Canada's truly great endeavours". tctrail.ca. Archived from the original on 23 June 2015. Retrieved 13 June 2015.

thegreattrail.ca

""The Great Trail"". Archived from the original on 14 October 2018. Retrieved 8 February 2021.

trentu.ca

Trail Difficulty Classification Archived 16 February 2017 at the Wayback Machine. Trail Studies Unit, Trent University. Retrieved 25 August 2009.

usatoday.com

traveltips.usatoday.com

"Snowmobiling in the Illinois & Michigan Canal". USA Today. Archived from the original on 23 August 2017. Retrieved 7 February 2021.

usda.gov

fs.usda.gov

"Trails/Hiking: Explanation of Trail Difficulty". US Forest Service. Archived from the original on 7 November 2012. Retrieved 25 August 2011.

uslaw.link

(Pub. L.Tooltip Public Law (United States) 90–543, 82 Stat. 919, enacted October 2, 1968), codified at 16 U.S.C. § 1241 et seq.

via-alpina.org

"And first, a bit of history…". via.alpina.org. Archived from the original on 21 January 2021. Retrieved 7 February 2021.

wa.gov

ecy.wa.gov

"Frequently Asked Questions about Noise Pollution – for Local Government" (PDF). Washington State Department of Ecology. Archived from the original (PDF) on 7 February 2012. State law requires off-road and other non-highway vehicles to use specified noise-muffling devices (RCW 46.09.120(1) (e) maximum limits and test procedures). State agencies and local governments may adopt regulations governing the operation of non-highway vehicles on property, streets, or highways within their jurisdiction, provided they are not less stringent than state law (RCW 46.09.180 regulation by local political subdivisions

walkinginfrance.info

Keith. "Canals". walkinginfrance.info. Archived from the original on 17 June 2015. Retrieved 13 June 2015.

walkni.com

"Access". walkni.com. Archived from the original on 3 July 2015. Retrieved 13 June 2015.

walloniabelgiumtourism.co.uk

"'RAVel' Network". Wallonia Belgium Tourism. Archived from the original on 21 October 2020. Retrieved 7 February 2021.

wallonie.be

ravel.wallonie.be

"The RAVeL". ravel.wallonie.be. Archived from the original on 31 October 2020. Retrieved 7 February 2021.

web.archive.org

"Definive Maps". Ramblers Association. Archived from the original on 14 January 2021. Retrieved 13 January 2021.
"Australia's Top Hiking Trails". Australia.com. Archived from the original on 27 October 2020. Retrieved 14 January 2021.
"Government of New Zealand" (PDF). Archived from the original (PDF) on 23 September 2015. Retrieved 6 June 2020.
"Grand Concourse". Grand Concourse Authority. Archived from the original on 4 December 2020. Retrieved 14 January 2021.
"Demographics of Mountain Biking". IMBA Canada. Archived from the original on 30 November 2020. Retrieved 13 January 2021.
"Introduction". North American Auto Trails. Archived from the original on 4 March 2004.
"Road Reports". AMA. Archived from the original on 12 November 2020. Retrieved 13 January 2021.
"Roads and highways". Encyclopedia Britannica. Archived from the original on 28 November 2020. Retrieved 6 February 2021.
"Transhumance Trails and Rural Roads". rm.coe.int. Archived from the original on 22 January 2021. Retrieved 6 February 2021.
"Sweet Track". Severn Estuary Levers Research Committee. Archived from the original on 14 April 2016. Retrieved 30 September 2016.
"Part 4 – Segregated Use". User Management Techniques. City MTB. Archived from the original on 15 January 2021. Retrieved 13 January 2021.
McArthur, Claire (18 December 2020). "Bill seeks to remove bike ban in wilderness areas". Tahoe Daily Tribune. Archived from the original on 15 January 2021. Retrieved 14 January 2021.
"New Zealand Cycle Trail Design Guide" (PDF). New Zealand: Ministry of Business Innovation and Employment. 2019. Archived (PDF) from the original on 3 February 2021. Retrieved 14 January 2021.
"New off-road cycle route links England and Scotland". BBC News. 1 September 2019. Archived from the original on 3 December 2019. Retrieved 14 January 2021.
Starr, Stephen (14 December 2020). "A new way to travel across the US". BBC.com. Archived from the original on 9 January 2021. Retrieved 14 January 2021.
"Mammoth Bike Park". Mammoth Mountain Ski Area. Archived from the original on 14 January 2021. Retrieved 13 January 2021.
"Categories of EuroVelo Routes". EuroVelo. Archived from the original on 26 January 2021. Retrieved 6 February 2021.
Richard Peace (17 September 2008). "Euros for EuroVelo". bikeradar.com. Future Publishing Ltd. Archived from the original on 25 September 2010. Retrieved 21 December 2009.
"The Norwegian Trekking Association". Archived from the original on 4 February 2021. Retrieved 8 February 2021.
"Bushwalking – Bicentennial National Trail". www.john.chapman.name. Archived from the original on 3 August 2016. Retrieved 6 June 2020.
"Bicentennial National Trail". Archived from the original on 14 January 2021. Retrieved 12 January 2021.
"National Trail Classification System, FSM 2350, and FSH 2309.18". Federal Register. 71 (127): 38021–38052. 3 July 2006. Archived from the original on 7 August 2009. Retrieved 6 March 2008.
"Trails". nps.gov. Archived from the original on 25 April 2020. Retrieved 13 June 2015.
""E Paths: The Best Way to Get to Know Europe", European Ramblers Association". Archived from the original on 26 November 2007. Retrieved 7 February 2021.
"Active Living By Design – HumPAL". humpal.org. Archived from the original on 13 February 2015. Retrieved 13 June 2015.
"Appointment of Fiscal Yea (FY) 2008 Recreational Trail Program Funds". Federal Highway Administration. Archived from the original on 18 October 2020. Retrieved 7 February 2021.
"USDA Forest Service – Caring for the land and serving people". fs.fed.us. Archived from the original on 10 June 2019. Retrieved 13 June 2015.
"Sierra Club Conservation Policies Off-Road Use of Motorized Vehicles". Sierra Club. Archived from the original on 1 December 2006. Retrieved 6 June 2020.
"Off-Road Vehicles and Public Lands: A National Problem". The Wilderness Society. Archived from the original on 14 December 2006. Retrieved 6 June 2020.
Rice, Kathleen C. "National Collection of Imperiled Plants – Pholisma sonorae". Center for Plant Conservation. Archived from the original on 4 November 2012. Retrieved 8 June 2012.
"Officials seek to protect desert reptile". Las Vegas Review-Journal. Archived from the original on 7 February 2012. Retrieved 13 June 2015.
"Addressing Ecological Effects of Road Vehicles". wilderness.org. Archived from the original on 28 November 2008. Retrieved 28 July 2014.
"The Impacts of Off-Road Vehicle Noise on Wildlife". Wildlands CPR. Archived from the original on 25 December 2010.
"Frequently Asked Questions about Noise Pollution – for Local Government" (PDF). Washington State Department of Ecology. Archived from the original (PDF) on 7 February 2012. State law requires off-road and other non-highway vehicles to use specified noise-muffling devices (RCW 46.09.120(1) (e) maximum limits and test procedures). State agencies and local governments may adopt regulations governing the operation of non-highway vehicles on property, streets, or highways within their jurisdiction, provided they are not less stringent than state law (RCW 46.09.180 regulation by local political subdivisions
"Water and boating trails resources projects promotion". americantrails.org. Archived from the original on 6 January 2015. Retrieved 13 June 2015.
"overview of the National Water Trails System". americantrails.org. Archived from the original on 22 May 2015. Retrieved 13 June 2015.
"The ACA's Water Trails Database website". Archived from the original on 14 June 2010. Retrieved 11 April 2014.
"National Center For Recreation & Conservation – Rivers". nps.gov. Archived from the original on 2 May 2015. Retrieved 13 June 2015.
"Explore and learn more about the Trans Canada Trail, one of Canada's truly great endeavours". tctrail.ca. Archived from the original on 23 June 2015. Retrieved 13 June 2015.
"About the East Coast Greenway". East Coast Greenway. Archived from the original on 26 January 2021. Retrieved 7 February 2021.
"9/11 Trail". 9/11 Trail. Archived from the original on 26 January 2021. Retrieved 7 February 2021.
"The RAVeL". ravel.wallonie.be. Archived from the original on 31 October 2020. Retrieved 7 February 2021.
"'RAVel' Network". Wallonia Belgium Tourism. Archived from the original on 21 October 2020. Retrieved 7 February 2021.
"Le RAVel". sentiers.be. Archived from the original on 31 March 2012. Retrieved 7 February 2021.
"Where can I cycle off-road?". cyclinguk.org. Archived from the original on 27 October 2020. Retrieved 7 February 2021.
""Coastal Pathways", City off the Gold Coast". Archived from the original on 4 February 2021. Retrieved 7 February 2021.
"The Forestry Commission". Forestry Commission. Archived from the original on 30 October 2013. Retrieved 9 June 2012.
Michael Lloyd (19 February 2005). "Trails open up to disabled bikers". BBC News. Archived from the original on 8 February 2021. Retrieved 14 June 2012.
"What are rail trails?". railtrails.org. Archived from the original on 27 November 2020. Retrieved 7 February 2021.
"Cheshire Recreational Rail Trail". nhstateparks.org. Archived from the original on 1 November 2020. Retrieved 7 February 2021.
""The Great Trail"". Archived from the original on 14 October 2018. Retrieved 8 February 2021.
"Lobbying". British Horse Society. Archived from the original on 20 October 2020. Retrieved 7 February 2021.
"Snowmobiling in the Illinois & Michigan Canal". USA Today. Archived from the original on 23 August 2017. Retrieved 7 February 2021.
"Government confirms commitment to create new charity to protect Britain's waterways". DEFRA. Archived from the original on 12 March 2012. Retrieved 3 February 2012.
Keith. "Canals". walkinginfrance.info. Archived from the original on 17 June 2015. Retrieved 13 June 2015.
"What is an urban trail?" (PDF). americantrails.org. Archived (PDF) from the original on 14 October 2019. Retrieved 7 February 2021.
"Seattle Stairway Walks". seattlestairwalks.com. Archived from the original on 1 November 2019. Retrieved 7 February 2021.
"Stairways of San Francisco". sisterbetty.org. Archived from the original on 26 April 2020. Retrieved 7 February 2021.
"Linda Poon, "The Roots of Hong Kong's Identity Are in Its Back Alleys",July 15, 2016, Bloomberg.com". Bloomberg News. 15 July 2016. Archived from the original on 7 November 2020. Retrieved 7 February 2021.
"Quebec: a poor man's Europe". ndsu.edu. Archived from the original on 7 March 2020. Retrieved 7 February 2021.
"5 Interesting Steps to Rome". italiannotes.com. 29 June 2011. Archived from the original on 15 April 2020. Retrieved 7 February 2021.
"Stair Maps". communitywalk.com. Archived from the original on 12 November 2020. Retrieved 7 February 2021.
"Designing an 'Experience' into a Trail" (PDF). Connections. Massachusetts Greenways and Trails Program. October 2008. Archived (PDF) from the original on 5 January 2015. Retrieved 4 January 2015.
"Pennsylvania Trail Design & Development Principles: Guidelines for Sustainable, Non-motorized Trails" (PDF). PA Department of Conservation and Natural Resources (DCNR). May 2013. Archived from the original (PDF) on 6 June 2014. Retrieved 5 January 2015.
"International Commission for the Protection of the Alps (CIPRA)". fao.org. Archived from the original on 23 July 2020. Retrieved 7 February 2021.
"And first, a bit of history…". via.alpina.org. Archived from the original on 21 January 2021. Retrieved 7 February 2021.
"Fédération Française de la Randonnée Pédestre". www.ffrandonnee.fr. Archived from the original on 13 September 2010. Retrieved 6 June 2020.
"FEDME – Federación Española de Deportes de Montaña y Escalada". www.fedme.es. Archived from the original on 9 August 2020. Retrieved 6 June 2020.
"Keep Ireland Open". keepirelandopen.org. Archived from the original on 17 April 2019. Retrieved 4 April 2012.
"Countryside and Rights of Way Act 2000". legislation.gov.uk. Archived from the original on 23 January 2021. Retrieved 7 February 2021.
"Rights of way in Scotland" (PDF). Archived from the original (PDF) on 26 July 2015. Retrieved 7 February 2021.
"Land Reform (Scotland) Act 2003 asp 2" (PDF). legislation.gov.uk. Archived (PDF) from the original on 2 March 2017. Retrieved 4 March 2017.
"Access". walkni.com. Archived from the original on 3 July 2015. Retrieved 13 June 2015.
"A Guide to Public Rights of Way and Access to the Countryside". Department of the Environment, Northern Ireland. Archived from the original on 19 October 2014.
"Scottish Natural HeritageCommissioned Report No. 380 Developing the network of longer distance routes" (PDF). nature.scot. Archived (PDF) from the original on 8 August 2018. Retrieved 7 February 2021.
"About Sustrans". sustrans.org. Archived from the original on 27 September 2007. Retrieved 7 February 2021.
"About the National Cycle Network". Sustrans. Archived from the original on 25 March 2014. Retrieved 17 March 2014.
Gailey, Chris (2006). "Appalachian Trail FAQs" Archived 5 May 2008 at the Wayback Machine Outdoors.org (accessed 14 September 2006)
"Appalachian National Scenic Trail". nps.gov. Archived from the original on 27 January 2021. Retrieved 7 February 2021.
"CEQA". Archived from the original on 5 April 2012. Retrieved 4 April 2012.
"Accessibility". railstotrails.org. Archived from the original on 15 January 2021. Retrieved 7 February 2021.
"Universal Access Trails and Shared Use Paths - ConservationTools.org". conservationtools.org. Archived from the original on 2 April 2015. Retrieved 13 June 2015.
"Basic Elements of Trail Design and Trail Layout From "Pathways to Trail Building"". americantrails.org. Archived from the original on 28 October 2020. Retrieved 7 February 2021.
"Guide for the development of bicycle facilities" (PDF). American Association of State Highway and Transportation Officials. 1999. Archived (PDF) from the original on 15 October 2011. Retrieved 20 December 2011.
"Manuals and Guides for Trail Design, Construction, Maintenance, and Operation, and for Signs". fhwa.dot.gov. US Federal Highway Administration. Archived from the original on 18 December 2011. Retrieved 19 December 2011.
"Designing and Building Sustainable Trails". imbaccanada.com. Archived from the original on 14 January 2021. Retrieved 7 February 2021.
"Glossary of Trail and Greenway Terms". South Carolina State Trails Program. 2008. Archived from the original on 13 April 2014. Retrieved 5 January 2014.
"9". The Manual on Uniformed Traffic Control Devices (MUTCD). 2009. Archived from the original on 11 November 2019. Retrieved 19 December 2011.
John Fry (November 2008). "Signs of the Times". SKI Magazine. Archived from the original on 23 March 2016. Retrieved 25 August 2011.
"Trails/Hiking: Explanation of Trail Difficulty". US Forest Service. Archived from the original on 7 November 2012. Retrieved 25 August 2011.
Trail Difficulty Classification Archived 16 February 2017 at the Wayback Machine. Trail Studies Unit, Trent University. Retrieved 25 August 2009.
Ski trail difficulty classifications Archived 2 August 2017 at the Wayback Machine. gavmck, Everything2, 4 June 2004. Retrieved 25 August 2009.

wilderness.org

"Off-Road Vehicles and Public Lands: A National Problem". The Wilderness Society. Archived from the original on 14 December 2006. Retrieved 6 June 2020.
"Addressing Ecological Effects of Road Vehicles". wilderness.org. Archived from the original on 28 November 2008. Retrieved 28 July 2014.

wildlandscpr.org

"The Impacts of Off-Road Vehicle Noise on Wildlife". Wildlands CPR. Archived from the original on 25 December 2010.