Motorcycle manufacturers often have names for their technologies, and Yamaha's Deltabox frame is just another example. But what does it mean exactly?

Remaining still is the casting of the main span segments, which are 59% done, and the casting of delta frames, which are 77% done, according to Flatiron/Dragados. Allison, ...

Flatiron/Dragados, LLC, may not proceed with the erection of the new Harbor Bridge superstructure, including but not limited to the installation of delta frames, according to TxDOT.

One of the five safety issues centered around the delta frames for the bridge's main span. Those were being built at Flatiron-Dragados' pre-cast yard in Robstown, Texas, but that work has been on ...