Spanning more than a decade-long design and construction period, the first phase was completed in 2019. The terminal now accommodates multiple bus transit systems that transport passengers between San Francisco and the seven surrounding counties, retail shops and a 5.4 acre rooftop park.

The undulating exterior skin is clad in perforated metal panels. At night, the transparent nature of the building is accented through the gentle illumination of horizontal and vertical interior surfaces. The light levels are scheduled to change automatically throughout the day and night based on the function and hours of operation of each area.

The central Grand Hall is marked by a 118 ft. tall light column extending from the roof park to two stories below grade. The light column and the glass floor are highlighted with color that changes every hour.

The future Phase Two will add California High-Speed Rail and Caltrain service to the below grade levels.