The average bus between Diamond Bar and Expo Park/USC Station takes 1h 22m and the fastest bus takes 1h 10m. The bus runs at least 2 times per hour from Diamond Bar to Expo Park/USC Station. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 30 minutes between Diamond Bar and Expo Park/USC Station. The earliest departure is at 6:52 AM in the morning, and the last departure from Diamond Bar is at 9:29 PM which arrives into Expo Park/USC Station at 10:39 PM. All services require a transfer at El Monte Station Upper Level and take an average of 1h 22m. The schedules shown below are for the next available departures.

1h 22m • 1 change

1h 22m • 1 change

1h 22m • 1 change

1h 24m • 1 change
Want to know about travelling from Diamond Bar to Expo Park/USC Station? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Diamond Bar to Expo Park/USC Station. However, there are services departing from Diamond Bar station and arriving at Expo Park/USC Station station via El Monte Station Upper Level station. The journey, including transfers, takes approximately 1h 22m.
Diamond Bar to Expo Park/USC Station bus services, operated by Foothill Transit, depart from Cal Poly Pomona Admin station.
Diamond Bar to Expo Park/USC Station bus services, operated by Foothill Transit, arrive at Harbor Transitway / 37th St / USC station.
The distance between Diamond Bar and Expo Park/USC Station is 43.8 km. The road distance is 52 km.
You can take a bus from Cal Poly Pomona Admin to Expo Park/USC Station via El Monte Station Upper Level, El Monte Station - Upper Level, and Harbor Transitway / 37th St / USC in around 1h 27m.