Whats SHOPP?
I assume it means "state highway operation and protection program"
http://www.leginfo.ca.gov/cgi-bin/displaycode?section=gov&group=14001-15000&file=14520-14534
14526.5. (a) The department shall prepare a state highway operation and protection program for the expenditure of transportation funds for major capital improvements that are necessary to preserve and protect the state highway system.