The Mark Twain National Forest manages an extensive network of service roads, totaling approximately 7,261 miles within its administrative boundary. The Forest Service oversees about 33% of these roads, amounting to around 4,604 miles. These roads serve various purposes, including recreation, timber management, and access to private property. They are categorized into different maintenance levels, ranging from basic custodial care to those suitable for passenger vehicles.
What is the Extent of Mark Twain National Forest Service Roads?

The Mark Twain National Forest boasts a vast network of service roads that play a crucial role in forest management and public access. Here’s a breakdown of the road system:
- Total public roads within administrative boundary: 7,261 miles
- Forest Service-managed roads: 4,604 miles (33% of total)
These roads are classified into five maintenance levels:
- ML 1 – Basic Custodial Care (Closed): 27 miles
- ML 2 – High Clearance Vehicles: 1,851 miles
- ML 3 – Suitable For Passenger Vehicles: 303 miles
- ML 4 – Moderate Degree of User Comfort: 95 miles
- ML 5 – Not specified, but typically includes roads with higher maintenance standards
What Purposes Do These Service Roads Serve?
Mark Twain National Forest service roads fulfill multiple functions:
- Recreation access
- Timber management
- Range management
- Mineral extraction
- Water production
- Private property access
How Are Off-Highway Vehicles (OHVs) Accommodated on These Roads?
The Mark Twain National Forest allows OHV use on designated Forest Service roads and specific trail systems. Here are the key points:
- OHVs include ATVs, UTVs, and motorcycles
- Use is permitted on open and numbered Forest Service roads
- Compliance with state and county laws is mandatory
What Are the Specific OHV Rules?
- Vehicle Width Restrictions:
-
ATVs and UTVs must be under 50 inches wide for trail use
-
Noise Regulations:
- Vehicles must have appropriate muffler systems
-
Forest Service-approved spark arresters are required
-
Seasonal Access:
- No major changes to permitted areas since the 1980s
-
Some trails may have seasonal closures due to resource damage or maintenance
-
Additional Regulations:
- Riders must stay on designated roads and approved trails
- No operation in streams or rivers except at designated crossings
- Compliance with Missouri State motor vehicle regulations is mandatory
What Permits Are Required for ATV, UTV, and Motorcycle Use?
To use the Mark Twain National Forest service roads, permits are necessary:
Vehicle Type | Annual Pass | Daily Use Tag |
---|---|---|
ATVs/Motorcycles | $45 | $7 |
Mountain Bikes | $20 | $3 |
What Documentation is Needed?
- Valid driver’s license for operators
- State registration decal for ATVs
- Compliance with Missouri State motor vehicle regulations
Where Can Permits Be Obtained?
- Mark Twain National Forest website (www.fs.usda.gov/mtnf) under Passes and Permits
- Supervisor’s Office and district offices
How Can Users Access Motor Vehicle Use Maps (MVUMs)?
Motor Vehicle Use Maps are essential for navigating the forest’s service roads:
- Available for viewing and download on the Mark Twain National Forest website
- Accessible through the Avenza app for real-time tracking
What Information Do MVUMs Provide?
- Roads and trails open to public motor vehicle use
- Road closures and openings
- Annual updates to reflect current conditions
What Are the Key Riding Regulations on Mark Twain National Forest Service Roads?
- Stay on designated roads and trails to prevent resource damage
- MVUMs serve as legal documentation for open roads and trails
- Comply with Missouri State motor vehicle regulations and Forest Service rules
- Use required safety equipment
- Adhere to vehicle width restrictions on trails
By understanding and following these regulations, visitors can safely enjoy the extensive network of service roads in the Mark Twain National Forest while helping to preserve its natural resources for future generations.
References:
1. https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/fseprd527564.pdf
2. https://www.fs.usda.gov/main/mtnf/maps-pubs
3. https://www.phelpscountyfocus.com/our_community/article_fdaf07fc-7d81-11e9-a9a2-fbd6dbfea496.html