US Interstate Highways (Motorways)
with 12 or More Through Lanes

Freeways with 12 or More Through Lanes: 1996

Rank State Metropolitan Area County Lanes Route
1 GA Atlanta Cobb 15 75
2 CA Los Angeles Orange 14 405
3 CA San Diego San Diego 14 15
4 GA Atlanta Fulton 14 75
5 NJ New York Bergen 14 95
6 NY New York New York 14 95
7 MD Washington Montgomery 13 270
8 VA Washington Arlington 13 395
9 VA Washington Alexandria 13 395
10 WA Seattle King 13 5
11 AZ Phoenix Maricopa 12 10
12 CA Los Angeles Orange 12 5
13 CA San Diego San Diego 12 8
14 CT Hartford Hartford 12 84
15 FL Miami Broward 12 95
16 FL Miami Broward 12 75
17 FL Jacksonville Duval 12 95
18 GA Atlanta DeKalb 12 85
19 GA Atlanta DeKalb 12 285
20 GA Atlanta Gwinnett 12 85
21 IL Chicago Cook 12 90
22 MI Detroit Wayne 12 96
23 NY New York Kings 12 278
24 NY New York Richmond 12 278
25 TX Houston Harris 12 610
Source: Federal Highway Administration




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