31-5-10 Improvements to trunk system--Manner of advertising for bids--Letting of contract--Rules. 31-5-10.1 Design-bid-build. 31-5-10.2 Indefinite delivery and indefinite quantity. 31-5-10.3 Emergency procurement. 31-5-11 Improvements to trunk system--Payments upon estimates approved by department--Vouchers. 31-5-12 31-5-12 to 31-5-15. Repealed by SL 2010, ch 145 , §§ 34 to 37. 31-5-16