| Boulder County Consortium of Cities | Mayor Brooks | MPT Loflin |
| Boulder County Resource Conservation Advisory | Trustee Hoback | Trustee Sawusch |
| Colorado Communities for Climate Action | Trustee Baer | MPT Loflin |
| Colorado Municipal League Legislative Policy Committee | MPT Loflin | Trustee Sawusch |
| Commuting Solutions | MPT Loflin | Trustee Baer |
| Denver Regional Council of Governments | Trustee Harrison | Mayor Brooks |
| Erie Economic Development Council | Mayor Brooks | Trustees Bell & Sawusch |
| Highway 7 Coalition | Mayor Brooks | MPT Loflin |
| Metro Mayors Caucus | Mayor Brooks | MPT Loflin |
| North Area Transportation Alliance | Mayor Brooks | Trustee Baer |
| Boulder to Erie Regional Trail (BERT) | Trustee Hoback | Trustee Harrison |
| St. Vrain Valley School District | Mayor Brooks | Trustees Hoback & Harrison |
DRCOG Boulder County Sub Regional TIP Forum
| Trustee Harrison | MPT Loflin |
DRCOG Weld County Sub Regional TIP Forum
| Trustee Baer | Mayor Brooks |
| Upstate Colorado Economic Development | Mayor Brooks | MPT Loflin |
| US 36 Mayors and Commissioners Coalition | Mayor Brooks | MPT Loflin |
| LEADS | MPT Loflin | Mayor Brooks |
| US 287 Coalition | Trustee Baer |
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