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What can you ride on Lower Sonoran Field Office routes?

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

Lower Sonoran Field Office routes by vehicle

642 mi of published routes in Arizona, BLM file as of September 2026.

Vehicle	Routes list it	BLM does not say
ATV	593 mi	20 mi
Side-by-side (UTV)	416 mi	20 mi
Motorcycle (dirt bike)	614 mi	20 mi
Street-legal 4x4	379 mi	20 mi

BLM Ride CheckLower Sonoran Field Office

BLM field office

Vehicle

Street-legal 4x4 · Lower Sonoran Field Office

Most routes list it

379 mi of Lower Sonoran Field Office's 642 mi of published routes list street-legal 4x4s.

List your vehicle 379 mi
List other vehicles 243 mi
BLM does not say 20 mi

26 mi of the routes that list your vehicle carry a seasonal restriction from BLM. Where BLM words it, the dates are below.

8 mi are technical or high-clearance 4x4 routes, which a stock truck may not make.

Routes with limits, in BLM's words (19)

Route 8018 · 12 mi · All motorized vehicles"Closed to motorized use April 15th - August 31st. Closed to address the forage, shelter, breeding, and thermal cover protection provided by washes as a component of wildlife habitat."
Route 8013 · 8 mi · All motorized vehicles"Closed to motorized use April 15th - August 31st. Closed to address the forage, shelter, breeding, and thermal cover protection provided by washes as a component of wildlife habitat."
Route 8019 · 5 mi · All motorized vehicles"Closed to motorized use April 15th - August 31st. Closed to address the forage, shelter, breeding, and thermal cover protection provided by washes as a component of wildlife habitat."
Route BH1126 · 3 mi"Street Legal Vehicles"
Route BH1082 · 2 mi · Technical and high-clearance 4x4s only"High Ground Clearance Vehicles"
Route BH1276 · 2 mi · Technical and high-clearance 4x4s only"High Ground Clearance Vehicles"
Route BH1089 · 2 mi · Technical and high-clearance 4x4s only"High Ground Clearance Vehicles"
Route BH1130 · 2 mi"Street Legal Vehicles"
Route BH1143 · 1.0 mi"Street Legal Vehicles"
Route BH1090 · 0.9 mi · Technical and high-clearance 4x4s only"High Ground Clearance Vehicles"
Route BH1277 · 0.8 mi · Technical and high-clearance 4x4s only"High Ground Clearance Vehicles"
Route BH1142 · 0.7 mi"Street Legal Vehicles"
Route BH1461 · 0.7 mi"Single Track Trail"
Route BH1146 · 0.5 mi"Street Legal Vehicles"
Route BH1155 · 0.5 mi"Street Legal Vehicles"
Route BH1140 · 0.4 mi"Street Legal Vehicles"
Route BH1137 · 0.3 mi"Street Legal Vehicles"
Route BH1150 · 0.2 mi"Street Legal Vehicles"
Unnamed routes · 0.1 mi · All motorized vehicles"Adaptive Management- potential seasonal restriction (not in effect)"

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.

Hunting in Arizona

Outfitters, guides and lodges near Lower Sonoran Field Office.

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Common questions

BLM route questions

379 mi of the 642 mi of routes BLM publishes for Lower Sonoran Field Office list street-legal 4x4s. 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 26 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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