Two hundred twenty nine million dollars ($229,000,000) shall be allocated to the Los Angeles County Transportation Commission, for expenditure on rail projects within Los Angeles County as follows:
(a) Not less than eighty million dollars ($80,000,000) thereof shall be allocated for Metro Rail.
(b) Not less than eighty million dollars ($80,000,000) thereof shall be allocated for rail projects other than Metro Rail within Los Angeles County.
(Added June 5, 1990, by initiative Proposition 116.)