Photo: North County Transit DistrictFifty years ago, on September 20, 1975, the North County Transit Development Board was established by California Senate Bill No. 802 to plan, construct, and operate public transit in North San Diego County. Since then, the North County Transit Development Board evolved into the North County Transit District, adopting the acronym NCTD, and is now operating as North County Transit – San Diego Railroad. 802 to plan, construct, and operate public transit in North San Diego County. Source: North County Transit DistrictGolden Anniversary Brings New Rail Cars, Logo, and EventsNCTD has achieved significant milestones over the course of 50 years.