Impacts of Mountain Biking

Environmental:

• Environmental Impacts of Mountain Biking: An Update on Scientific Research
• Environmental Impacts of Mountain Biking: Science Review and Best Practices
• Natural Resource Impacts of Mountain Biking

Skidding Culture is not Stewardship

User Conflict

• DOT-FHWA Study- Conflicts on Multiple-Use Trails ( more studies )
• Perception and Reality of Conflict: Walkers and Mountain Bikes on the Queen Charlotte Track in New Zealand
• A little message on SPEED- below.
• Bikelash

Wilderness

• Why Bicyclists should be allowed on some trails in some Wilderness
• Blast From the Past: By Law, Mountain Bikes in Wilderness
• Advocacy: Sustainable Trails Coalition

Speed

• Be careful, and considerate
• It usually takes about 2 seconds to begin to stop
• To put it into perspective
  • 10 mph = 14.6 ft/sec, 28+ ft to stop
  • 15 mph = 22 ft/sec, 44+ ft to stop
  • 20 mph = 29.3 ft/sec, 60+ ft to stop
• see this braking calculator, and this
• These principles and distances are also important for trail design…more to follow