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What can you ride on Tres Rios Field Office routes?

How many of Tres Rios Field Office's published BLM routes list your vehicle, and any limits in BLM's own words.

Tres Rios Field Office routes by vehicle

47 mi of published routes in Colorado, BLM file as of September 2026.

VehicleRoutes list itStreet-legal onlyBLM does not say
ATV43 mi0 mi0 mi
Side-by-side (UTV)35 mi0 mi0 mi
Motorcycle (dirt bike)43 mi0 mi0 mi
Street-legal 4x425 mi0 mi0 mi
BLM Ride Check

ATV · Tres Rios Field Office

Most routes list it

43 mi of Tres Rios Field Office's 47 mi of published routes list ATVs.

  • List your vehicle 43 mi
  • Vehicle limit in BLM's words 3 mi
  • List other vehicles 1 mi

5 mi of the routes that list your vehicle carry a seasonal restriction from BLM. BLM's file does not word those dates, so ask the field office.

3 mi are marked for all vehicles, but BLM narrows them in its own words. Read those lines below.

Routes with limits, in BLM's words (2)

  • Route 42001T · 0.9 mi · Motorcycles, ATVs and UTVs only"ATV Area"
  • Route 4100 · 0 mi · All motorized vehicles"Open to Motorized"
See these routes on the map

Source: Bureau of Land Management. Not a legal document or land survey. Check with the BLM field office and posted signs before you ride.

  • BLM's own route file
  • Your vehicle, every field office
  • Limits in BLM's words
Routes from the Bureau of Land Management, simplified for web display. Rules and contacts: BLM off-highway vehicle program.

Off-road parks in Colorado

Parks, rentals and guided rides near Tres Rios Field Office.

See Colorado off-road parks

By field office

Other field offices in Colorado

Common questions

BLM route questions

43 mi of the 47 mi of routes BLM publishes for Tres Rios Field Office list ATVs. Pick another vehicle in the tool for its own count. A route missing from the file is not published, which is not the same as closed.

BLM flags 5 mi here with a seasonal restriction. Where its file words the limit, the tool shows the words unchanged, and the file does not word them all. Check with the field office before you plan around them.

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