Africa’s high speed rail future rides on a matter of millimeters. How does it measure up so far?

Differences in African rail gauges are just one challenge facing the continent’s ambition for a transcontinental integration.
Arizona Daily Star

Bridge suicides spurring safety review

LAS VEGAS - Nevada Department of Transportation officials are considering ways to curb suicides at the Hoover Dam bypass bridge after the fourth person plunged from the bridge walkway to the Colorado ...