Region
Alaska Highway corridor
19
Yukon
4
Prudhoe Bay to Delta Junction route
3
Prudhoe Bay/Point Thomson to Nikiski route
3
Tanana River watershed
3
Arctic Coastal Plain/Mackenzie River Delta/Mackenzie River route
2
Canada
2
North Slope
2
Northwest Territories
2
Prudhoe Bay to Alaska/Canada border (Highway) route
2
Prudhoe Bay to Valdez route
2
United States
2
Brooks Range
1
Fairbanks to Haines route
1
Fortymile River
1
Mackenzie River Valley
1
Scottie-Desper Creek wetlands (Tanana River Valley)
1
Tanana River Valley
1
Taylor Highway
1
Tetlin National Wildlife Refuge
1