I'm all for making cities more attractive and accessible but, no one asked me if I wanted to put in my 2 cents. (or several hundred $s)
David Dewhurst and TXDOT can kiss my ass or cheerfully refund my portion.
A similar arrangement was when money for Little League baseball diamonds got funneled thru Parks and Wildlife.
Looking at the cost/benefit, it is a much, much better investment than, say, providing a free road for a sprawler on a mobile home estate/mini-ranchette in Williamson County