West Michigan; Homebuilder promotes new way to build barrier-free houses on concrete slabs. Published: ; May. 12, 2015, 9:58 a.m.

2 a.m., and truck driver John Doe was in rain and fog on a tight two-lane highway bounded by concrete barriers. An oncoming truck blinded him, then swerved into his lane.

The barrier was first used at Indianapolis Motor Speedway in 2002. The barrier is used at all paved oval tracks on the Cup circuit and in places at Cup road course events. Officials with the Nebraska ...

The concrete barriers lining the 2.2-mile race course were built by Avan Precast Concrete Products. The 2,200 sections are joined by steel cables that give slightly upon impact.