The Texas Legislature’s point man [Drew Darby] on transportation funding says Texas motorists need to understand that a higher gas tax would be a more 'open and transparent' way of dealing head on with the state's transportation crisis than the 'congestion tax' that motorists are currently paying every day. "I think we need to revert to pay as your go," State Rep. Drew Darby (R-San Angelo) told the San Antonio Mobility Coalition."Nine times members of the Legislature have raised the gasoline tax to pay for our transportation infrastructure, but that hasn't happened since 1991. Lawmakers over the past several years...