| Founded | 2000 |
|---|---|
| Headquarters | San Bruno, California |
| Service area | San Mateo County, California |
| Service type | Shuttle bus |
| Routes | 20 |
| Operator | MV Transportation |
| Website | www |
The Peninsula Traffic Congestion Relief Alliance (usually shortened to Alliance) is a public transportation service in San Mateo County. It operates a shuttle bus network that supplements SamTrans's fixed-route and shuttle system. The Alliance is funded and maintained by various local governments and private businesses within the county.
Most routes on the system are provided free-of-charge.