Length: 205.733 miles
West Endpoint: Junction US 24 north of Bogue
East Endpoint: Junction K-99 east of Wabaunsee
Counties Served:
Graham, Rooks, Osborne, Russell, Lincoln, Ottawa, Dickinson, Geary, Riley, Wabaunsee
Junction Guide
| KDOT Milepost | Total Miles | Junction |
|---|---|---|
| 18-33/0.000 | 0.000 | US 24 (Begin K-15) |
| 18-33/1.005 | 1.005 | 355th Ave/Q Rd, Bogue |
| 18-33/5.978 18-82/0.000 | 5.978 | Graham/Rooks county line |
| 18-82/1.386 | 7.364 | North city limits Damar |
| 18-82/1.855 | 7.833 | East city limits Damar |
| 18-82/6.253 | 12.231 | North city limits Palco |
| 18-82/6.315 | 12.293 | East city limits Palco |
| 18-82/20.473 | 26.451 | West city limits Plainville |
| 18-82/20.980 | 26.958 | US 183 |
| 18-82/21.287 | 27.265 | East city limits Plainville |
| 18-82/35.925 18-71/0.000 | 41.903 | Rooks/Osborne county line |
| 18-71/2.000 | 43.903 | 280th Avenue, Natoma |
| 18-71/7.843 18-84/0.000 | 49.746 | Osborne/Russell county line |
| 18-84/4.777 281-84/29.175 | 54.523 | West junction US 281 |
| 281-84/31.865 | 57.213 | West city limits Waldo |
| 281-84/32.115 | 57.463 | Main Street, Waldo |
| 281-84/32.365 | 57.713 | East city limits Waldo |
| 281-84/37.687 18-84/13.289 | 63.035 | East junction US 281 |
| 18-84/23.304 | 73.050 | North city limits Lucas |
| 18-84/23.433 | 73.179 | East city limits Lucas |
| 18-84/24.199 | 73.945 | K-232 |
| 18-84/26.603 18-53/0.000 | 76.349 | Russell/Lincoln County line |
| 18-53/5.019 | 81.368 | K-181 |
| 18-53/18.479 | 94.828 | K-14 |
| 18-53/18.630 | 94.979 | West city limits Lincoln |
| 18-53/18.962 | 95.311 | East city limits Lincoln |
| 18-53/28.947 | 105.296 | K-252 |
| 18-53/31.661 18-72/0.000 | 108.010 | Lincoln/Ottawa county line |
| 18-72/2.000 | 110.010 | 20th Road, Tescott |
| 18-72/8.998 | 117.008 | 90th Road |
| 18-72/10.998 | 119.008 | K-106 |
| 18-72/15.451 | 123.461 | US 81 |
| 18-72/19.746 | 127.529 | West city limits Bennington |
| 18-72/20.012 | 128.022 | East city limits Bennington |
| 18-72/31.746 18-21/0.000 | 139.756 | Ottawa/Dickinson county line |
| 18-21/9.003 15-21/29.458 | 148.759 | West junction K-15 |
| 15-21/33.424 18-21/12.969 | 152.725 | East junction K-15 |
| 18-21/18.957 | 158.713 | Rain Road |
| 18-21/21.957 18-31/0.000 | 161.713 | Dickinson/Geary county line |
| 18-31/1.000 | 162.713 | Milford Lake Road |
| 18-31/5.258 77-31/11.232 | 166.971 | North Junction US 77 (K-18 joins US 77) |
| 77-31/10.874 | 167.329 | North city limits Junction City |
| 77-31/9.589 | 168.614 | South city limits Junction City |
| 77-31/9.080 70-31/5.537 | 169.123 | US 77/I-70 (K-18 leaves US 77 and joins I-70) |
| 70-31/7.124 | 170.710 | US 40B/Washington Street |
| 70-31/8.482 | 172.068 | East Street/Chestnut Street |
| 70-31/9.085 | 172.671 | Smoky Hill River |
| 70-31/9.189 | 172.775 | West City Limits Grandview Plaza |
| 70-31/10.389 | 173.975 | US 40B/K-57 |
| 70-31/11.282 | 174.868 | East City Limits Grandview Plaza |
| 70-31/13.468 18-31/15.341 | 177.054 | East Junction I-70 (K-18 leaves I-70) |
| 18-31/18.177 18-81/0.000 | 179.890 | Geary/Riley county line Kansas River |
| 18-81/0.490 | 180.380 | 12th Street |
| 18-81/1.324 | 181.214 | South city limits Ogden |
| 18-81/1.489 | 181.379 | North City limits Ogden |
| 18-81/1.937 | 181.827 | K-114 |
| 18-81/5.912 | 185.802 | Scenic Drive |
| 18-81/7.773 | 187.663 | Miller Parkway/WCL Manhattan |
| 18-81/8.486 | 188.376 | K-113 |
| 18-81/9.683 | 189.573 | 17th Street |
| 18-81/11.201 | 191.091 | West junction K-177 |
| 18-81/11.303 | 191.193 | East city limits Manhattan |
| 18-81/11.781 | 191.671 | East junction K-177 |
| 18-81/20.690 18-99/0.000 | 200.580 | Riley/Wabaunsee County line |
| 18-99/2.850 | 203.430 | Wabaunsee Road, Wabaunsee |
| 18-99/5.153 | 205.733 | K-99 (End K-18) |
AADT (2019)
| Location | Count | Truck % |
|---|---|---|
| US 24 to Bogue | 820 | 22.6% |
| Bogue to Graham/Rooks County line | 545 | 33.9% |
| Graham/Rooks County line to Damar | 510 | 36.3% |
| In Damar | 705 | 26.2% |
| Damar to Palco | 725 | 25.5% |
| Palco to MP 14 | 700 | 26.4% |
| MP 14 to MP 24 | 1,080 | 17.1% |
| MP 24 to Plainville | 1,370 | 14.2% |
| West city limits Plainville to US 183 | 1,870 | 11.5% |
| US 183 to East city limits Plainville | 1,330 | 22.6% |
| Plainville to MP 33 | 1,090 | 17.9% |
| MP 33 to MP 39 | 830 | 20.5% |
| MP 39 to Natoma | 795 | 18.9% |
| Natoma to US 281 | 715 | 20.3% |
| US 281 from west junction US 281/K-18 to Main Street, Waldo | 815 | 20.2% |
| US 281 from Main Street, Waldo to ECL Waldo | 740 | 32.4% |
| US 281 from ECL Waldo to east jct. US 281/K-18 | 1,020 | 16.1% |
| East Junction US 281 to Lucas | 780 | 19.2% |
| Lucas to K-232 | 955 | 18.8% |
| K-232 to MP 77 | 610 | 15.6% |
| MP 77 to K-181 | 600 | 15.0% |
| K-181 to MP 88 | 760 | 19.1% |
| MP 88 to K-14 | 946 | 14.9% |
| K-14 to MP 99 | 1,250 | 19.2% |
| MP 99 to K-252 | 1,060 | 21.7% |
| K-252 to Tescott | 1,140 | 19.7% |
| Tescott to MP 117 | 1,210 | 17.8% |
| MP 117 to K-106 | 1,160 | 18.5% |
| K-106 to US 81 | 1,330 | 16.5% |
| US 81 to Bennington | 1,720 | 6.4% |
| In Bennington | 1,200 | 9.2% |
| Bennington to MP 135 | 405 | 27.2% |
| MP 135 to MP 142 | 550 | 20.0% |
| MP 142 to K-15 | 675 | 16.3% |
| K-15/K-18 concurrency | 1,320 | 30.3% |
| K-15 to MP 159 | 765 | 11.1% |
| MP 159 to MP 163 | 900 | 9.4% |
| MP 163 to US 77 | 1,097 | 9.1% |
| US 77 from K-18 to I-70 | 11,600 | 22.4% |
| I-70 from US 77 to US 40B, Junction City | 24,500 | 18.2% |
| I-70 from US 40B to East Street, Junction City | 25,200 | 18.5% |
| I-70 from East Street to K-57 | 34,600 | 14.2% |
| I-70 from K-57 to K-18 | 26,600 | 17.8% |
| East junction I-70 to Exit 180 | 16,500 | 4.3% |
| Exit 180 to K-114 | 13,200 | 4.4% |
| K-114 to Scenic Drive | 18,700 | 3.1% |
| Scenic Drive to Miller Parkway | 20,000 | 2.9% |
| Miller Parkway to K-113 | 22,700 | 2.4% |
| K-113 to 17th Street, Manhattan | 26,000 | 3.3% |
| 17th Street to West Junction K-177 | 20,700 | 4.4% |
| K-18/K-177 concurrency | 12,000 | 6.3% |
| East junction K-177 to MP 193 | 2,070 | 4.1% |
| MP 193 to Wabaunsee | 605 | 6.6% |
| Wabaunsee to K-99 | 935 | 5.9% |