Region
Prudhoe Bay to Alaska/Canada border (Highway) route
12
Prudhoe Bay
8
Prudhoe Bay to Delta Junction route
4
Sadlerochit Reservoir
4
Prudhoe Bay to Valdez route
3
Alaska Highway corridor
2
Arctic Coastal Plain/Mackenzie River Delta/Mackenzie River route
2
Canada
2
United States
2
Interior Alaska
1
Mackenzie River Delta
1
National Petroleum Reserve in Alaska (NPRA)
1
Northwest Territories
1
Prudhoe Bay/Point Thomson to Nikiski route
1
Sagavanirktok River Valley
1