House and Senate lawmakers have come to the negotiating table to begin talks aimed at producing a new surface-transportation law. Construction and state transportation officials, who have put up with nine short-term highway-transit measures since 2009, would love a quick deal. But negotiations are likely to go on for weeks.
The conference committee's May 8 initial meeting featured lawmakers' opening statements and, as expected, resolved virtually nothing. The real discussions between House and Senate aides and legislators have begun behind the scenes.
Because it can moderate the damaging effects of earthquakes, base-isolation is a technique used primarily in seismically active regions. ENR takes a look at some of the largest applications of base-isolation technologies in the world.