315.4  Allocation of fund.
  1.  Moneys credited to the RISE fund shall be allocated as follows:
  a.  Four-sevenths for deposit in the primary road fund for the use of the department on primary road projects as follows:
  (1)  Fifty percent for highways that support the production or transport of renewable fuels, including primary highways that connect biofuel facilities to highways in the commercial and industrial highway network.
  (2)  Fifty percent for highways that have been designated by the state transportation commission as access Iowa highways pursuant to 2005 Iowa Acts, ch. 178, section 41.
  b.  One-seventh for the use of counties on secondary road projects, including secondary roads that connect biofuel facilities to highways in the commercial and industrial highway network.
  c.  Two-sevenths for the use of cities on city street projects.
  2.  Commencing June 30, 1990, all uncommitted moneys in the RISE fund on June 30 of each year which are allocated under this section for the use of counties on secondary road projects shall be credited to the secondary road fund.
85 Acts, ch 231, §5; 89 Acts, ch 293, §16; 92 Acts, ch 1238, §30; 2007 Acts, ch 200, §7