Location: Idaho state line
Annual average daily traffic: 2,395
Threshold for looking at expansion: 15000

Location: West Libby
Annual average daily traffic: 7,224
Threshold for looking at expansion: 15000

Location: East Libby
Annual average daily traffic: 2,241
Threshold for looking at expansion: 15000

Location: Kalispell
Annual average daily traffic: 16,397
Threshold for looking at expansion: 15000

Location: Columbia Falls
Annual average daily traffic: 2,959
Threshold for looking at expansion: 15000

Location: Browning
Annual average daily traffic: 4,207
Threshold for looking at expansion: 15000

Location: West of Browning
Annual average daily traffic: 1,996
Threshold for looking at expansion: 15000

Location: Shelby
Annual average daily traffic: 1,340
Threshold for looking at expansion: 15000

Location: West of Havre
Annual average daily traffic: 9,149
Threshold for looking at expansion: 15000

Location: Havre
Annual average daily traffic: 2,787
Threshold for looking at expansion: 15000

Location: Fort Belknap Agency
Annual average daily traffic: 1,321
Threshold for looking at expansion: 15000

Location: Malta
Annual average daily traffic: 1,465
Threshold for looking at expansion: 15000

Location: Glasgow
Annual average daily traffic: 6,115
Threshold for looking at expansion: 15000

Location: East of Glasgow
Annual average daily traffic: 2,002
Threshold for looking at expansion: 15000

Location: Wolf Point
Annual average daily traffic: 1,831
Threshold for looking at expansion: 15000

Location: Culbertson
Annual average daily traffic: 1,808
Threshold for looking at expansion: 15000