| Bigger suburban business parks provide more critical mass from which to form employee carpools and vanpools, thereby facilitating use of alternative commuting modes. |
| Provide infrastructure and support programs to facilitate shared vehicle usage such as carpool drop-off areas, designated parking for vanpools, or car-share services, ride boards, and shuttle services to mass transit. |
| The van to the right is part of the buspool organization that arranges vanpools around San Francisco. |
| This increase is probably attributable to the disruption of carpools and vanpools, and new vehicles being drawn to the highway to take advantage of the additional capacity. |
| Special lanes typically used during peak travel hours, giving priority to buses and often to other vehicles transporting a designated number of occupants, such as carpools and vanpools. |
| Solo travellers pay a toll to cross the San Francisco-Oakland Bay Bridge, while buses, carpools, and vanpools cross free of charge. |
