Updated
If we are counting one state's portion of a multi-state route as a clinch, then this is my list, with * indicating that the entire route is clinched across all states.
*I-8: CA, AZ
*I-11: NV (for now)
*I-17: AZ
*I-19: AZ
I-25: CO
I-30: AR
*I-39: IL, WI
I-40: CA, AZ, NM, TX
*I-41: IL, WI
*I-43: WI
I-44: MO
I-55: IL
I-64: IL, IN, KY, WV
*I-65: AL, TN, KY, IN
*I-66: VA, DC
*I-68: WV, MD
I-69: MS (for now), IN
I-70: CO, KS, MO, IL, IN, OH, WV, PA
I-71: KY
*I-74: IA, IL, IN, OH, NC (unless something new got designated since 2017)
I-75: GA, KY, OH
*I-76W: CO, NE
I-78: PA, NJ
I-80: NE, IA, IL, IN, OH, PA, NJ
*I-88(W): IL
I-90: WY, SD, MN, WI, IL, IN, PA
I-94: MT, ND, MN, WI, IL, IN
I-95: DC, MD, NY, CT
*I-96: MI
*I-205 (CA)
*I-110 (CA), *I-110 (MS)
*I-515 (NV)
*I-225 (CO)
*I-238 (CA)
*I-440 (TN)
*I-345 (TX)
*I-155 (IL), *I-355 (IL)
*I-164 (IN), *I-264 (KY)
*I-265 (IN), *I-265 (KY), *I-465 (IN), *I-865 (IN)
*I-469 (IN)
*I-170 (MO), *I-270 (CO) , I-270 (IL), *I-270 (MD), *I-470 (OH/WV), I-670 (OH)
*I-474 (IL)
*I-275 (TN), I-275 (IN), *I-375 (MI), *I-475 (GA), *I-475 (OH)
*I-277 (OH)
*I-579 (PA)
*I-180 (IL) *I-280 (IL/MO)
*I-190 (SD), *I-190 (IL), *I-290 (IL)
*I-393 (NH)
*I-294 (IL), *I-194 (MI), *I-794 (WI), *I-894 (WI)
*I-195 (MD), *I-295 (MD/DC), *I-395 (FL), *I-395 (DC/VA), *I-495 (MD/DC/VA), *I-695 (DC)
*I-196 (MI), *I-296 (MI), *I-496 (MI)
US 6: IL, IN
US 12: IL, IN, MI
US 14: IL
US 20: IL, IN
US 24: IN
US 27: IN
US 30: IL, IN
US 31: IN, MI
US 33: IN
US 41: IN, IL
US 50: IN
US 52: IL, IN
US 131: IN
US 136: IN
US 150: IN
US 224: IN
US 421: IN
Indiana State Highways:
1, 2, 3(S), 3(N), 4(W), 4(C), 4(E), 5, 7, 8(W), 8(E), 9, 10, 11(S), 11(N), 13, 14, 15, 16, 17, 18, 19, 22(E), 22(W), 23, 25(S), 25(N), 26(W), 26(E), 28, 29, 32, 37(S), 37(N), 38(W), 38(E), 39(S), 39(N), 42, 43(S), 43(N), 44(W), 47, 48(C), 49, 51, 53, 55, 60, 62, 63(N), 66, 67, 68, 69, 70(W), 70(E), 71(S), 71(N), 75(S), 75(N)
101(S), 101(N), 103, 104, 105, 106, 109(S), 109(N), 110(W), 110(E), 111, 114(W), 114(C), 114(E), 115, 116, 117, 119(S), 119(N), 120, 121(S), 121(N), 124, 127, 128, 130, 134, 135, 140, 142, 143, 144(W), 144(W), 145, 149, 152, 156, 158, 160, 161, 162, 163, 164, 165, 166, 167, 168
201, 203, 205, 211, 212, 213, 218(W), 218(E), 225, 232, 234(W), 234(E), 235, 236(W), 236(E), 237(S), 237(N), 240, 243, 245, 249, 250(W), 252, 256, 258, 261, 263, 264, 265, 267(S), 267(N), 269, 301, 312, 327, 329, 331, 332, 335(S), 335(N), 337(S), 337(N), 340, 341, 352, 356(E), 362, 427, 441, 445, 446, 450, 458, 462, 520, 524, 545(S), 545(N), 550(E), 558, 641, 645, 650, 662, 727, 827, 912, 930, 931(S), 931(N), 933
Illinois State Highways:
7, 19, 21, 25, 31, 43, 50, 58, 62, 68, 102, 113, 114, 126, 129, 171, 390, 394
Michigan State Highways:
6, 14, 22, 37, 40, 51, 62, 63, 78, 86, 89, 96, 100, 103, 109, 113, 139, 140, 143, 152, 179, 201, 204, 216, 217, 222, 231, 239, 294, 343
Kentucky State Highways:
146, 524, 660, 841, 864, 907, 913, 1065, 1116, 1142, 1230, 1447, 1631, 1703, 1727, 1747, 1793, 1817, 1819, 1849, 1861, 1865, 1931, 1932, 1934, 2049, 2050, 2051, 2052, 2053, 2054, 2055, 2056, 2262, 2672, 2845, 2857, 2860, 3084, 3222, 3223
Arizona State Highways:
68
Colorado State Highways:
1, 41
Florida State Highways:
30, 79, 281, 970
Wisconsin State Highways:
30
Utah State Highways:
16, 162, 269
Maryland State Highways:
218
Alabama State Highways:
167
New Mexico State Highways:
597
South Carolina State Highways:
38, 576
Texas State Highways:
Spur 97
Virginia State Highways:
27, 110, 233, 241, 400, 401, 402
Washington State Highways:
104, 433
Ohio State Highways:
814
Massachusetts State Highways:
25
Nevada State Highways:
172