Length: 234.473 miles
South Endpoint: Oklahoma State Line South of Chautauqua
North Endpoint: Nebraska State Line (CG/JJW) north of Summerfield
Counties Served: Chautauqua, Elk, Greenwood, Lyon, Wabaunsee, Pottawatomie, Marshall
Junction Guide
| KDOT Milepost | Total Miles | Junction |
|---|---|---|
| 99-10/0.000 | 0.000 | Oklahoma state line (Begin K-99) |
| 99-10/1.650 | 1.650 | South city limits Chatauqua |
| 99-10/2.079 | 2.079 | North city limits Chatauqua |
| 99-10/5.858 166B-10/7.378 | 5.858 | US 166; South junction US 166B |
| 166B-10/4.647 | 8.589 | South city limits Sedan |
| 166B-10/4.408 | 8.828 | Main/School Street, Sedan |
| 166B-10/4.045 | 9.191 | Main/Montgomery Street, Sedan |
| 166B-10/3.784 | 9.452 | West city limits Sedan |
| 166B-10/3.364 99-10/9.872 | 9.872 | West junction US 166B |
| 99-10/23.339 99-25/0.000 | 23.339 | Chautauqua/Elk county line |
| 99-25/4.800 | 28.139 | West junction US 160 (K-99 joins US 160) |
| 99-25/5.364 | 28.703 | East junction US 160 (K-99 leaves US 160) |
| 99-25/21.724 99-37/0.000 | 45.063 | Elk/Greenwood County Line |
| 99-37/2.070 | 47.133 | West junction US 400 (K-99 joins US 400) |
| 99-37/3.135 | 48.198 | East junction US 400 (K-99 leaves US 400) |
| 99-37/16.049 | 61.112 | West junction US 54 (K-99 joins US 54) |
| 99-37/19.546 | 64.609 | East junction US 54 (K-99 leaves US 54) |
| 99-37/29.168 | 74.231 | South city limits Hamilton |
| 99-37/29.699 | 74.762 | North city limits Hamilton |
| 99-37/39.557 | 84.620 | South city limits Madison |
| 99-37/39.681 | 84.744 | North city limits Madison |
| 99-37/39.743 | 84.806 | K-249 |
| 99-37/40.843 | 85.906 | K-58 |
| 99-37/43.334 99-56/0.000 | 88.397 | Greenwood/Lyon County Line |
| 99-56/6.231 | 94.628 | East city limits Olpe |
| 99-56/6.799 | 95.196 | West city limits Olpe |
| 99-56/15.617 | 104.014 | South city limits Emporia |
| 99-56/16.458 | 104.855 | South Avenue, Emporia |
| 99-56/16.959 | 105.356 | US 50 |
| 99-56/17.453 | 105.850 | 12th/Commercial Streets, Emporia |
| 99-56/18.183 | 106.580 | North city limits Emporia |
| 99-56/18.305 | 106.702 | I-35 |
| 99-56/28.941 | 117.338 | K-170 |
| 99-56/37.011 | 125.408 | South city limits Admire |
| 99-56/37.589 | 125.986 | North city limits Admire |
| 99-56/38.061 | 126.458 | US 56 |
| 99-56/44.122 99-99/0.000 | 132.519 | Lyon/Wabaunsee County Line |
| 99-99/3.067 | 135.586 | K-31 |
| 99-99/8.314 | 140.833 | South city limits Eskridge |
| 99-99/8.757 4-99/25.064 | 141.276 | East junction K-4 (K-99 joins K-4) |
| 4-99/24.768 | 141.572 | West city limits Eskridge |
| 4-99/20.466 | 145.874 | Lake Wabaunsee |
| 4-99/14.912 99-99/18.909 | 151.428 | West Junction K-4 (K-99 leaves K-4) |
| 99-99/27.399 | 159.918 | South city limits Alma |
| 99-99/27.889 | 160.408 | 7th/Missouri, Alma |
| 99-99/28.248 | 160.767 | North city limits Alma |
| 99-99/31.677 | 164.196 | I-70 |
| 99-99/37.872 | 170.391 | K-18 |
| 99-99/41.007 99-75/0.000 | 173.526 | Wabaunsee/Pottawatomie county line South city limits Wamego |
| 99-75/0.438 | 173.964 | 6th Street, Wamego |
| 99-75/0.898 | 174.424 | US 24 |
| 99-75/0.921 | 174.447 | North city limits Wamego |
| 99-75/3.508 | 177.034 | South city limits Louisville |
| 99-75/4.008 | 177.534 | North City limits Louisville |
| 99-75/15.190 | 188.716 | Main Street, Westmoreland |
| 99-75/22.096 16-75/18.645 | 195.622 | South junction K-16 |
| 16-75/19.046 99-75/22.497 | 196.023 | North junction K-16 |
| 99-75/27.100 99-58/0.000 | 200.626 | Pottawatomie/Marshall county line |
| 99-58/9.223 | 209.849 | South city limits Frankfort |
| 99-58/9.606 9-58/21.878 | 210.232 | South junction K-9 |
| 9-58/21.976 | 210.330 | 2nd/Locust Streets, Frankfort |
| 9-58/22.597 | 210.951 | North city limits Frankfort |
| 9-58/23.529 99-58/11.257 | 211.883 | North junction K-9 |
| 99-58/19.320 | 219.946 | US 36 |
| 99-58/20.540 | 221.166 | South city limits Beattie |
| 99-58/20.824 | 221.450 | Center Avenue/Elm Street, Beattie |
| 99-58/21.076 | 221.702 | East city limits Beattie |
| 99-58/33.129 | 233.755 | South city limits Summerfield |
| 99-58/33.847 | 234.473 | North city limits Summerfield Nebraska state line |
AADT (2019)
| Location | Count | Truck % |
|---|---|---|
| Oklahoma State line to Chatauqua | 385 | 40.3% |
| In Chatauqua | 525 | 31.4% |
| Chatauqua to US 166 | 670 | 24.6% |
| US 166B from US 166 to Sedan | 2,210 | 15.4% |
| US 166B from S. City limits Sedan to Main/School | 2,580 | 15.1% |
| US 166B from Main/School to Main/Montgomery | 2,930 | 15.9% |
| US 166B from Main/Montgomery to WCL Sedan | 2,440 | 16.2% |
| US 166B from Sedan to North Jct. US 166B/K-99 | 1,490 | 16.8% |
| North junction US 166B to MP 11 | 760 | 22.4% |
| MP 11 to MP 21 | 565 | 26.5% |
| MP 21 to south junction US 160 | 650 | 13.1% |
| US 160/K-99 concurrency | 1,510 | 18.9% |
| North junction US 160 to MP 35 | 1,520 | 18.7% |
| MP 35 to west junction US 400 | 1,370 | 23.4% |
| US 400/K-99 concurrency | 4,450 | 32.2% |
| East junction US 400 to MP 54 | 815 | 38.0% |
| MP 54 to MP 60 | 1,210 | 24.8% |
| MP 60 to west junction US 54 | 855 | 32.7% |
| US 54/K-99 concurrency | 2,390 | 25.9% |
| East junction US 54 to Hamilton | 955 | 20.4% |
| In Hamilton | 1,010 | 20.8% |
| Hamilton to MP 84 | 905 | 23.2% |
| MP 84 to K-249 | 1,370 | 24.8% |
| K-249 to K-58 | 1,050 | 12.4% |
| K-58 to MP 91 | 1,690 | 12.4% |
| MP 91 to Olpe | 1,490 | 14.1% |
| In Olpe | 2,080 | 13.2% |
| Olpe to MP 101 | 2,740 | 8.2% |
| MP 101 to Emporia | 3,940 | 8.8% |
| South city limits Emporia to South Avenue | 6,550 | 3.6% |
| South Avenue to US 50 | 2,800 | 9.5% |
| US 50 to 12th/Commercial | 4,120 | 8.9% |
| 12th/Commercial to north city limits Emporia | 9,030 | 4.7% |
| Emporia to I-35 | 7,680 | 7.0% |
| I-35 to MP 109 | 1,060 | 23.6% |
| MP 109 to MP 112 | 1,840 | 12.8% |
| MP 112 to MP 116 | 770 | 25.9% |
| MP 116 to K-170 | 1,290 | 15.5% |
| K-170 to Admire | 730 | 22.6% |
| Admire to US 56 | 760 | 21.1% |
| US 56 to MP 129 | 565 | 15.0% |
| MP 129 to K-31 | 495 | 16.1% |
| K-31 to Eskridge | 685 | 13.9% |
| South city limits Eskridge to East junction K-4 | 885 | 14.1% |
| K-4 from E. jct K-4/K-99 to west city limits Eskridge | 775 | 12.9% |
| K-4 from Eskridge to Lake Wabaunsee | 670 | 13.4% |
| K-4 from Lake Wabaunsee to W. jct. K-4/K-99 | 455 | 13.2% |
| West junction K-4 to MP 159 | 485 | 13.4% |
| MP 159 to Alma | 835 | 16.2% |
| South city limits Alma to 7th/Missouri | 2,320 | 5.4% |
| 7th/Missouri to North city limits Alma | 2,360 | 5.7% |
| Alma to I-70 | 2,340 | 9.4% |
| I-70 to K-18 | 3,550 | 8.5% |
| K-18 to Wamego | 3,810 | 8.1% |
| South city limits Wamego to 6th Street | 4,590 | 7.2% |
| 6th Street to US 24, Wamego | 7,980 | 4.9% |
| US 24 to Louisville | 3,340 | 7.5% |
| In Louisville | 2,820 | 8.9% |
| Louisville to MP 181 | 2,330 | 9.0% |
| MP 181 to Westmoreland | 1,460 | 14.0% |
| Westmoreland to South junction K-16 | 1,100 | 18.6% |
| K-16/K-99 concurrency | 1,540 | 18.5% |
| North junction K-16 to MP 203 | 1,110 | 28.4% |
| MP 203 to Frankfort | 1,330 | 23.7% |
| South city limits Frankfort to south junction K-9 | 1,020 | 23.0% |
| South junction K-99 to north city limits Frankfort | 2,420 | 10.1% |
| North city limits Frankfort to north junction K-99 | 1,990 | 12.6% |
| North junction K-9 to US 36 | 1,430 | 15.0% |
| US 36 to Beattie | 1,100 | 12.7% |
| On Center Avenue, Beattie | 1,020 | 17.6% |
| On Elm Street, Beattie | 545 | 26.6% |
| Beattie to MP 225 | 550 | 13.6% |
| MP 225 to Summerfield | 645 | 13.2% |
| In Summerfield | 700 | 17.1% |