| 1995-09-A-073 State Route 186 | N/A | N/A | N/A | ABANDON TO CITY OF WILLCOX @ BISBEE AVE & REX ALLEN DRIVE. S36 & 31, T13S, R25 & 24E. PR: 68-41. |
| 1992-03-A-020 State Route 186 | N/A | N/A | N/A | ESTABLISH TEMP. CONSTRUCTION EASEMENTS TO REPAIR & REPLACE DRAINAGE PIPES PRIOR RESO. 1-10-55. |
| 1970- -099 State Route 186 | N/A | N/A | N/A | APPROVAL FOR ACQUISITION OF PARCEL 2-268 BY EXCHANGE OF EXCESS R/W FROM C-100 ON I-10 PROJECT. |
| 1970- -020 State Route 186 | N/A | N/A | N/A | ESTABLISH & DESIGNATE AS STATE HIGHWAY WITH APPROVAL TO ACQUIRE R/W FOR IMPROVEMENT OF HIGHWAY. |
| 1970- -018 State Route 186 | N/A | N/A | N/A | ESTABLISH & DESIGNATE AS STATE HIGHWAY WITH APPROVAL TO ACQUIRE R/W FOR IMPROVEMENT OF HIGHWAY. |
| 1969- -079 State Route 186 | N/A | N/A | N/A | CHANGE DESIGNATION OF S.R. 186 FROM NON-FEDERAL AID STATE HWY TO FEDERAL AID SECONDARY. |
| 1968- -041 State Route 186 | N/A | N/A | N/A | ESTABLISH AND IMPROVE S.R. 186 EXTENSION IN THE CITY OF WILCOX |
| 1966- -061 State Route 186 | N/A | N/A | N/A | IMPROVE PORTION OF HWY FROM STA 7+00 NW TO STA 282+00. |
| 1963- -024 State Route 186 | N/A | N/A | N/A | ABANDON PORTION OF S.R. 186 FROM NW4 SEC. 5 SE TO SOUTH LINE OF SEC. 24, T14S, R24E. |
| 1963- -024 State Route 186 | N/A | N/A | N/A | ABANDON PORTION OF S.R. 186 FROM NW4 SEC. 5 SE TO SOUTH LINE OF SEC. 24, T14S, R24E. NOTE: The Section name above is correct, SR 86 is on the old maps and is not to be confused with the SR 186 being abandoned herein. |
| 1961- -002 State Route 186 | N/A | N/A | N/A | RELOCATE PORTION OF HWY SE OF WILLCOX FOR 5 MILES. |
| 1960- -096 State Route 186 | N/A | N/A | N/A | IMPROVE HIGHWAY FROM WILLCOX SE 4 MILES. |
| 1956-P-315 State Route 186 | N/A | N/A | N/A | HIGHWAY TAKEN INTO-SYSTEM THIS DATE BY AHC ADOPTING BUDGET TO FUND HIGHWAY AS A STATE HIGHWAY. |
| 1956-P-104 State Route 186 | N/A | N/A | N/A | WIDEN PORTION OF HWY FROM EAST LN SEC.32, T14S, R27E NW TO WEST LN SEC.24, T14S, R25E |
| 1955-P-137 State Route 186 | N/A | N/A | N/A | COUNTY ROAD TO STATE HIGHWAY SYSTEM UPON FUNDS BEING PROGRAMMED. SEE PAGE 315, DATED JUNE 20-21, 1955. WILLCOX TO TURNOFF TO NAT'L MONUMENT. |
| 1954-P-105 State Route 186 | N/A | N/A | N/A | ACQUIRE PARCEL IN NE4 SW4 SEC. 6, T14S R25E FOR EXPANSION OF MAINTENANCE CAMP. |