(a) The department may allocate up to two percent of nonrestricted federal-aid highway apportionments to projects classified under the trails and recreational access for Alaska program under a statewide transportation improvement program.
(b) The department shall annually allocate at least 39 percent of nonrestricted federal-aid highway apportionments to projects classified under the community transportation program under a statewide transportation improvement program.
(c) Not more than 10 percent of the funds provided to a municipality for participation in federal-aid highway or other eligible projects may be expended from the transportation enhancement apportionment over the life of a transportation improvement program.