• Heavy lines are fireroads
• Thin lines are singletracks
• Medium-width lines are doubletracks or intermediate width trails
• Blue lines are multiuse and open to bikes, hikers and horses
• Red lines are closed to bikes
• Yellow lines are closed to bikes and horses
• Dark grey lines are paved roads
• Light grey lines, solid or dashed, are underlying features on the topo map and probably don't exist, at least not where shown
• The Backbone Trail is indicated by a light pink dot pattern on top of the trail line
• Trails closed to the public are purple with orange dots
• A dotted brown line represents an unofficial or unsanctioned trail

Only the blue, red, yellow, dotted brown and dark grey lines have been mapped with a GPS and are accurately positioned on the map.