This article lists all the county highways in Lake County, Illinois. Not all of these roads or highways are marked with MUTCD county road signs, but all of them are maintained by the county in which they reside in.
East/West Route list
These county highways listed below are ones that go east and west. All of these start with A.
| Number | Length (mi)[1] | Length (km) | Southern or western terminus | Northern or eastern terminus | Local names | Formed | Removed | Notes |
|---|---|---|---|---|---|---|---|---|
 CR A1 | 6.61 | 10.64 | Zion, Illinois |  IL 131 (Sheridan Road) – Beach Park | Russel Road | — | — | |
 CR A2 | 3.62 | 5.83 |  IL 83 (Main Street) – Beach Park |  US 45 (Bristol Road) – Antioch | North Ave, 128th St | — | — | |
| File:CR A4 jct.svg CR A4 | 3.10 | 4.99 | IL 131 (North Green Bay Road) – Zion |  IL 137 (Sheridan Road) – Winthrop Harbor | 9th Street | — | — | |
 CR A6 | 3.56 | 5.73 | CH W26]] (Kilbourne Road) in Wadsworth, Illinois |  IL 173 (Rosecrans Road) – Zion | 21st Street | — | — | |
 CR A8 | 1.47 | 2.37 | IL 131 (North Green Bay Road) – Beach Park | Galilee Avenue in Zion, Illinois | 33rd Street | — | — | |
 CR A9 | 7.47 | 12.02 | Hunt Club Road in Old Mill Creek, Illinois | IL 137 (Sheridan Road) – Zion | Wadsworth Road | — | — | |
 CR A10 | 11.55 | 18.59 | CH A17 (State Park Road) in Fox Lake, Illinois | US 45 – Old Mill Creek | Grass Lake Rd, Millburn Rd | — | — | Western Segment of Lake County Highway A14 |
 CR A11 | 1.28 | 2.06 | CH V67 in Lake Villa, Illinois | CH A10 (Grass Lake Rd) in Lindenhurst, Illinois | Gelden Road | — | — | |
 CR A12 | 1.45 | 2.33 |  IL 59 – Lake Villa | IL 83 (Milwaukee Avenue) – Lake Villa | Cty A12 | — | — | |
 CR A14 | 1.62 | 2.61 | US 45 – Old Mill Creek | CR W15 (Hunt Club Rd) in Old Mill Creek, Illinois | Millburn Rd | — | — | |
 CR A15 | 4.05 | 6.52 | CH W27 in Waukegan, Illinois | IL 137 (Sheridan Road) – Beach Park | York House Rd | — | — | |
 CR A16 | 5.35 | 8.61 |  IL 132 (Grand Avenue) – Lindenhurst |  US 41 (Skokie Hwy) – Gurnee | Sand Lake Road, Stearms School Road | — | — | |
 CR A17 | 1.56 | 2.51 | Golf View Drive in Fox Lake, Illinois |  US 12 – Spring Grove | State Park Road | — | — | |
 CR A18 | 4.95 | 7.97 | IL 59 – Lake Villa | IL 132 (Grand Ave) – Lindenhurst | Monaville Road | — | — | |
 CR A19 | 3.69 | 5.94 | CR W27 (Delany Av) in Gurnee, Illinois | IL 137 (Sheridan Road) – Waukegan | Golf Road | — | — | |
 CR A20 | 9.44 | 15.19 | US 12 – Fox Lake | IL 132 (Grand Ave) – Gurnee | Rollins Road | — | — | |
 CR A22 | 11.05 | 17.78 | CH V63 in Round Lake, Illinois | IL 131 (Green Bay Road) – Waukegan | Sand Lake Road, Stearms School Road | — | — | |
 CR A24 | 3.32 | 5.34 | US 45 – Grayslake |  IL 21 (Milwaukee Ave) – Gurnee | Gages Lake Road | — | — | |
 CR A26 | 3.32 | 5.34 | Chapel Hill Road in Johnsburg, Illinois | Continuation of Illinois 134 (Big Hollow Road) US 12 (Rand Road) / IL 59 – Fox Lake | Bay Road, Big Hollow Road | — | — | |
 CR A27 | 1.47 | 2.37 | IL 83 (Barron Blvd) in Grayslake, Illinois IL 83 (Barron Blvd) – Grayslake | US 45 in Grayslake, Illinois US 45 – Grayslake | Center Street | — | — | |
 CR A29 | 2.9 | 4.7 |  IL 43 (Waukegan Road) – Waukegan | IL 137 (Sheridan Road) – North Chicago | Casimer Pulaski Dr, 14th Street (N. Chicago) | — | — | |
| File:CR A31 jct.svg CR A31 | 2.68 | 4.31 | IL 43 (Waukegan Road) in Waukegan, Illinois | IL 137 in North Chicago, Illinois | Center Street | — | — | |
| File:CR A33 jct.svg CR A33 | 4.33 | 6.97 | Illinois 60 in Grayslake, Illinois | IL 137 in Libertyville, Illinois | Peterson Road | — | — | |
 CR A34 | 3.91 | 6.29 | Illinois 83 in Ivanhoe, Illinois | Illinois 21 in Libertyville, Illinois | Winchester Road | — | — | |
| File:CR A36 jct.svg CR A36 | 3.51 | 5.65 | County Road V61 in Wauconda, Illinois | Darell Road in Wauconda, Illinois | Bonner St | — | — | |
 CR A38 | 3.51 | 5.65 |  IL 176 (Maple Ave) – Mundelein | IL 176 (Maple Ave) – Mundelein | Hawley St | — | — | |
| File:CR A40 jct.svg CR A40 | 2.68 | 4.31 | County Road W19 (St. Marys Road) in Lake Forest | IL 43 (Waukegan Road) – Lake Forest | Everett Road | — | — | |
 CR A42 | 3.01 | 4.84 | CR V49 in Lake Barrington, Illinois | US 12 (Rand Road) – Lake Zurich | Miller Road | — | — | |
| File:CR A43 jct.svg CR A43 | 3.51 | 5.65 | CR W24 in Riverwoods, Illinois | Willmont Road in Bannockburn, Illinois | Duffy Lane | — | — | |
| File:CR A44 jct.svg CR A44 | 3.51 | 5.65 | IL 83 (McHenry Road) – Long Grove | US 45 (Millwaukee Ave) / IL 21 – Lincolnshire | Aptakisic Rd | — | — | |
| File:CR A46 jct.svg CR A46 | 3.16 | 5.09 | IL 59 (Hough Road) – Barrington | US 12 (Rand Road) – Lake Zurich | Cuba Road | — | — | |
| File:CR A47 jct.svg CR A47 | 5.51 | 8.87 | IL 83 (McHenry Road) – Buffalo Grove |  I-94 (Tri State Tollway) – Deerfield | Deerfield Road | — | — | |
| File:CR A49 jct.svg CR A49 | 3.51 | 5.65 | Cty V57 in Deer Park, Illinois | US 12 (Rand Road) – Kildeer | Long Grove Road | — | — | |
North/South County Highway List
These county highways always end in V or W.
References
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