State Hwy. 14 east of Cedar City is closed due to a landslide and the clearing/reconstruction will extend into the summer of 2012 so there's a detour to get around the closure. See this link for updates:
http://www.udot.utah.gov/main/f?p=100:pg:0:::1:T,V:3571 Eastbound, from the intersection of Center St./SR 14 and Main St./SR 130 in Cedar City, head north on Main St./SR 130. At 4.1 mi., turn right onto Old US Hwy. 91. At 12.1 mi., cross I-15 and enter town of Summit (no services). Stay on Old US Hwy. 91. At 19.4 mi., enter Parowan (all services) and turn right onto E 200 S/SR 143. Begin climb. At 30.8 enter Brian Head (lodging and restaurant). At 35.3 mi., rejoin route at the intersection of SR 143 and SR 148. The Cedar Breaks Visitor Center is 4.7 mi. S. from this point.
Westbound, from the intersection of intersection of SR 143 and SR 148, turn right. The Cedar Breaks Visitor Center is 4.7 mi. S. from this point. At 4.5 mi., enter Brian Head (lodging and restaurant). Begin descent. At 15.9 mi., enter Parowan (all services) and turn left onto Old US Hwy. 91. At 23.1 mi., enter town of Summit (no services), then cross I-15. Stay on Old US Hwy. 91. At 31.2 mi., turn left onto Main St./SR 130. At 35.2 mi., rejoin route at the intersection of Main St./SR 130 and Center St./SR 14 in Cedar City.