| 2011-06-A-040 State Route 189 | N/A | N/A | Reso Text | Establish new right of way as a state route and state highway to construct new inspections booths to enhance safety of the traveling public. PR. 73-86, dated 10/19/73; 2001-06-A-046, dated 06/15/01; 2004-11-A-060, dated 11/19/04. S13; T24S; R13E. |
| 2007-08-A-053 State Route 189 | N/A | N/A | Reso Text | Establish additional right of way as a SR & SH for constructing an employee parking area; PR: Various Resolution throughout the years; T24S-R13E-S13. |
| 2004-11-A-060 State Route 189 | N/A | Reso Map | Reso Text | Establish add'l r/w as a SR & SH for adding a fast lane to the Port of Entry in Nogales. PR: 73-86; 2001-06-A-046; S13-24-T24S-R13E; Affects lands within 60' Border Strip also. |
| 2001-06-A-046 State Route 189 | N/A | Reso Map | Reso Text | Establish add'l r/w for improvements to facility site, including a new access road. S13-T24S-R13E. PR: |
| 1999-05-A-018 State Route 189 | N/A | Reso Map | Reso Text | Establish existing City of Nogales streets as temporary state route and state highway, to be abandoned by a later resolution. |
| 1998-12-A-062 State Route 189 | N/A | N/A | N/A | ESTABLISH ADDL. R/W FOR SIDEWALKS & PEDESTRIAN IMPROVEMENTS @ JCT. SR 189 & B-19. PR: 66-41. |
| 1993-09-A-058 State Route 189 | N/A | N/A | N/A | ESTAB. & ACQ. ADD. R/W TO WIDEN HWY PRIOR RESOS. 71-54, 74-27 |
| 1992-12-A-077 State Route 189 | N/A | N/A | N/A | ABANDON PORTION OF R/W TO CITY OF NOGALES PRIOR RESOS. 71-54 & 74-09-A-27. |
| 1989-03-A-019 State Route 189 | N/A | N/A | N/A | ESTABLISH & ACQ. ADD. R/W IN E2 SEC.6 & NE4 SEC.7, T24S, R14E. |
| 1980-04-A-004 State Route 189 | N/A | N/A | N/A | AMEND ABANDONMENT OF R/W - TO CITY OF NOGALES ORIGINALLY ABANDONED TO SANTA CRUZ CO. |
| 1979-21-A-085 State Route 189 | N/A | N/A | N/A | ABANDON PORTION OF R/W TO SANTA CRUZ COUNTY PRIOR RESOS. 74-09-A-27, 76-17-A-61 & 79-20-A-80. |
| 1979-20-A-080 State Route 189 | N/A | N/A | N/A | AMEND RESOLUTION 76-17-A-61 TO DELETE AREA NOT NEEDED. |
| 1976-17-A-061 State Route 189 | N/A | N/A | N/A | ACQUIRE .43 ACRE OF COUNTY ROAD FOR ACCESS TO SOUTH REMAINDER OF PARCEL 12-279 PRIOR RESO. 74-9-A-27. |
| 1974-09-A-027 State Route 189 | N/A | N/A | N/A | ESTABLISH AS STATE ROUTE & STATE HIGHWAY AND MAKE IMPROVEMENTS PRIOR RESO. 71-54 |
| 1973- -086 State Route 189 | N/A | N/A | N/A | ACQ. R/W FOR IMPROVEMENTS TO HWY. IN SW4SE4, SEC.13 & LOT 6, SEC.24, T24S,R13E, ARIZONA/MEXICO BORDER |
| 1973- -041 State Route 189 | N/A | N/A | N/A | ACQUIRE TEMPORARY CONSTRUCTION EASEMENTS. |
| 1971- -054 State Route 189 | N/A | N/A | N/A | ESTAB.ALIGNM'T FROM NOGALES-SONORA TRUCK BYPASS NE TO I-19 AT MARIPOSA T.I. |
| 1966- -041 State Route 189 | N/A | N/A | N/A | ESTABLISH & IMPROVE S.R. 189 FROM JCT. I-19 @ MARIPOSA T.I. EAST TO JCT. U.S. 89. |
| 1958-P-002 State Route 189T | N/A | N/A | N/A | This is from The Gap north 45 miles to the City of Page (Glen Canyon Damsite); This was originally established as a Temporary SR & SH known as SR 189T by Resolution 1956-P-260, dated 07-09-1956. This was established as a temporary while US 89 was built. It currently is known as Indian Route 20. |
| 1956-P-260 State Route 189T | N/A | N/A | N/A | ESTABLISH PORTION OF HWY AS TEMPORARY STATE HIGHWAY |