UPDATE: All eastbound lanes of US 12 at WIS 33 open just before 5 p.m. after the road buckled about two hours earlier. It happened just after 3 p.m. on Thursday. This is just west of Baraboo.
A notice from Wisconsin Dept. of Transportation states the repairs are expected to take about 2 hours.
This will cause problems for anyone traveling from Wisconsin Dells to Madison.
NBC15 is monitoring the situation and will have any and all updates online and in our newscasts.