(a) The commission shall determine the terms of a contract under this subchapter.(b) The contract may not extend for a period of more than six years after the date of execution.(c) The contract must provide that:(1) the highway to be acquired is free of debts, liens, or other encumbrances at the time of acquisition;(2) the highway to be constructed meets minimum design criteria prescribed by the commission;(3) construction contracts are awarded through competitive bidding to the low bidder;(4) priority of construction is assigned to particular highway segments;(5) particular highway segments are opened to the public on completion of construction under right of entry even if consideration has not been paid by the commission; and(6) the highway right-of-way is fully landscaped before acquisition by the commission. Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.