“Public transit corridor” means that area within one-quarter mile of a route on which the level of service is at or above the average for the transit system as a whole, according to the transit operator serving the area, and on which regularly scheduled public mass transit service stops are located, or within one-quarter mile of an existing or planned public mass transit guideway or busway station, or within one-quarter mile of a multimodal transportation terminal serving public mass transit operations. “Level of service,” unless otherwise defined by the transit operator, means the frequency of headways and the number of vehicles per day.
Source:
Section 50093.5, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=50093.5..