SDIV meaning in Regional ?

Answer: What is San Diego and Imperial Valley Railroad mean?

The San Diego and Imperial Valley Railroad (SD&IV) (reporting mark SDIY) is a class III railroad operating freight rail service in the San Diego area, providing service to customers in the region and moving railcars between the end of the BNSF Railway in Downtown San Diego and the Mexico–United States border in San Ysidro. The railroad has exclusive trackage rights to operates over tracks by the San Diego and Arizona Eastern Railway, a subsidiary of the Metropolitan Transit System, the regional public transit service provider. Tracks are shared with the San Diego Trolley, another subsidiary of the Metropolitan Transit System, and freight trains are only operated at nights when passenger service is not in operation. The San Diego & Imperial Valley Railroad was established in October 1984 and is owned and operated by Genesee & Wyoming, a holding company that operates more than 100 shortline railroads like the SD&IV.

reference

Full Form	Category
School District Income Verification	Community
Ituverava, Brazil	Regional
San Diego and Imperial Valley Railroad	Regional