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Indiana Department of Transportation

INDOT > About INDOT > Central Office > Asset Data Collection > Indiana Road System Facts Indiana Road System Facts

as of January 1, 2014.

*All mileages listed are centerline mileage unless specified otherwise*

Number of State Roads (includes State, US, Interstate, and Old State Roads)*:
Less than one mile in length: 29
More than one, less than 10: 60
More than ten, less than 25: 42
More than 25, less than 50: 36
More than 50, less than 100: 34
More than 100, less than 150: 23
More than 150, less than 200: 10
More than 200: 7
Total Routes:
241


Lengths*:
Longest Interstate: I-65 at 261.13
Longest Active US route in the state: US 41 at 276.51
Longest Active State Road: SR 3 at 212.95
Longest "Old State Road": OSR 63 at 9.86
Longest "Old US route": OUS 50 at 6.747
   
Shortest Interstate within the state: I-275 at 3.29
Shortest US Route: US 131 at 0.64
Shortest State Road: SR 520 at 0.26
Shortest "Old State Road": OSR 160 at 0.08
Shortest "Old US Route": OUS 52 at 0.17

*Actual Length (excludes Travel-over segments)
 
Approximate mileage for ramps*: 658 miles (2088 ramps!)
  *does not include collector/distributor lanes/miles
   
County with the most State System mileage: Lake with 244
   
County with the least State System mileage: Ohio with 28

Mileage By District      
Rural Urban Grand Total
Crawfordsville
Centerline Mileage 1,539 277 1,816
Lane Mileage 3,794 905 4,699
Fort Wayne
Centerline Mileage 1,496 389 1,885
Lane Mileage 3,474 1,179 4,652
Greenfield
Centerline Mileage 1,034 556 1,590
Lane Mileage 2,423 2,077 4,500
Laporte
Centerline Mileage 1,360 470 1,830
Lane Mileage 3,184 1,686 4,870
Seymour
Centerline Mileage 1,516 423 1,938
Lane Mileage 3,378 1,315 4,693
Toll Road
Centerline Mileage 90 67 157
Lane Mileage 362 291 653
Vincennes
Centerline Mileage 1,763 188 1,951
Lane Mileage 4,182 611 4,792
Total Centerline Mileage 8,798 2,372 11,169
Total Lane Mileage 20,796 8,072 28,868

Ramp Mileage By District  
  Rural Urban Grand Total
Crawfordsville
Centerline Mileage 30 27 57
Lane Mileage 31 28 59
Fort Wayne
Centerline Mileage 37 46 83
Lane Mileage 44 49 93
Greenfield
Centerline Mileage 19 144 162
Lane Mileage 20 176 196
Laporte
Centerline Mileage 14 115 129
Lane Mileage 14 120 134
Seymour
Centerline Mileage 17 65 82
Lane Mileage 17 71 88
Toll Road
Centerline Mileage 17 38 55
Lane Mileage 17 43 60
Vincennes
Centerline Mileage 35 34 69
Lane Mileage 36 35 71
Total Centerline Mileage 180 478 658
Total Lane Mileage 192 530 721

Federal Aid Mileage By District
  Interstate NHS Non-Interstate Off System Rural On System Urban On System Grand Total
Crawfordsville
Centerline Mileage 209 356 0 1,174 77 1,816
Lane Mileage 837 1,137 0 2,530 195 4,699
Fort Wayne
Centerline Mileage 133 479 5 1,173 95 1,885
Lane Mileage 564 1,468 10 2,402 208 4,652
Greenfield
Centerline Mileage 263 545 716 64 1,590
Lane Mileage 1,319 1,524 1,512 140 4,500
Laporte
Centerline Mileage 104 624 1 1,018 82 1,830
Lane Mileage 537 2,019 1 2,115 197 4,870
Seymour
Centerline Mileage 191 477 9 1,122 139 1,938
Lane Mileage 794 1,285 18 2,270 326 4,693
Toll Road
Centerline Mileage 157         157
Lane Mileage 653         653
Vincennes
Centerline Mileage 180 537 15 1,175 43 1,951
Lane Mileage 719 1,568 30 2,376 100 4,792
Total Centerline Mileage 1,236 3,019 30 6,380 503 11,169
Total Lane Mileage 5,423 9,010 60 13,205 1,165 28,868

National Highway System By District
Row Labels Airport Not on NHS On NHS Rail/Truck Seaport Grand Total
Crawfordsville
Centerline Mileage 3 1,251 556 6   1,816
Lane Mileage 10 2,725 1,940 24   4,699
Fort Wayne
Centerline Mileage   1,273 612 0   1,885
Lane Mileage   2,620 2,032 0   4,652
Greenfield
Centerline Mileage 0 782 807 0   1,590
Lane Mileage 0 1,657 2,843 1   4,500
Laporte
Centerline Mileage 0 1,102 728     1,830
Lane Mileage 1 2,314 2,555     4,870
Seymour
Centerline Mileage   1,271 665   2 1,938
Lane Mileage   2,614 2,070   9 4,693
Toll Road
Centerline Mileage     157     157
Lane Mileage     653     653
Vincennes
Centerline Mileage 1,234 717   1,951
Lane Mileage 2,505 2,287   4,792
Total Centerline Mileage 3 6,914 4,244 6 2 11,169
Total Lane Mileage 11 14,435 14,388 25 9 28,868

Surface Type By District
Row Labels Asphalt CRC Full Depth Asphalt Jointed Concrete Micro Surface Overlay HMA over Concrete Rigid Sand Thin HMA Overlay #N/A (blank) Grand Total
Crawfordsville
Centerline_Length 1,328 4 98 13 20 25 28 52 193 56   1,816
Lane_Mileage 3,285 12 231 46 45 99 97 196 515 174   4,699
Centerline_Length 1,549 6 1 66 18 32   24 130 60   1,885
Lane_Mileage 3,627 22 1 256 55 68   97 349 178   4,652
Greenfield
Centerline_Length 1,206 39 3 46 77 31 8 26 100 53   1,590
Lane_Mileage 3,180 190 12 199 188 138 43 103 261 185   4,500
Laporte
Centerline_Length 1,556 19 8 27 27 45   20 47 80   1,830
Lane_Mileage 4,002 90 41 88 89 130   98 135 196   4,870
Seymour
Centerline_Length 1,500 24 58 31 30 58 10 28 164 35   1,938
Lane_Mileage 3,412 86 170 116 61 190 40 111 403 105   4,693
Toll Road
Centerline_Length                   157   157
Lane_Mileage                   653   653
Vincennes
Centerline_Length 1,472 14 74 48 12 83     119 131   1,951
Lane_Mileage 3,375 55 194 174 24 272     251 448   4,792
Undefined
Centerline_Length                   2   2
Lane_Mileage                   8   8
Total Centerline_Length 8,612 106 241 231 183 274 46 149 754 417 157 11,169
Total Lane_Mileage 20,881 455 649 878 463 897 181 604 1,913 1,294 653 28,868

Functional Classification By District
Row Labels Interstate Freeway & Expressway OPA Minor Arterial Major Collector Minor Collector Local Grand Total
Crawfordsville
Centerline_Length 209   332 424 851   0 1,816
Lane_Mileage 837   1,069 967 1,826   0 4,699
Fort Wayne
Centerline_Length 133 138 286 503 820 4 0 1,885
Lane_Mileage 564 554 779 1,103 1,641 9 1 4,652
Greenfield
Centerline_Length 263 25 440 440 421     1,590
Lane_Mileage 1,320 101 1,230 925 925     4,500
Laporte
Centerline_Length 106 80 519 434 690 1   1,830
Lane_Mileage 549 323 1,643 963 1,390 1   4,870
Seymour
Centerline_Length 191 20 442 497 780 3 6 1,938
Lane_Mileage 794 75 1,198 1,033 1,574 6 12 4,693
Toll Road
Centerline_Length 157             157
Lane_Mileage 653             653
Vincennes
Centerline_Length 180 9 489 286 972 13 2 1,951
Lane_Mileage 719 36 1,449 602 1,956 25 5 4,792
Undefined
Centerline_Length     2         2
Lane_Mileage     8         8
Total Centerline_Length 1,238 272 2,510 2,585 4,534 21 9 11,169
Total Lane_Mileage 5,436 1,089 7,377 5,594 9,313 42 18 28,868