The incident is what's known as a "hard coupling," where two trains connect while moving too fast.

Fierce storms pose a growing threat to the islands' beleaguered reefs. Insurance coverage could help restore them, conservationists say.

One out of every $6 spent over a decade by the influential regional fishery council was questioned by investigators.

It's still not clear how the repairs affect the city's plans to launch passenger service early next year.

The HART board chair said she'd like to see it happen sooner.

UPDATED: Those investigating the cracks have disagreed about their severity, but the final report still isn't out.

Members of the hui say that planning against Hawaii's encroaching shorelines has been "piecemeal" and "reactionary" so far.

UPDATED: The model for how to handle transit security varies from place to place. Honolulu considered using HPD but went a different route.

Saturday's drill was a step toward rail going operational. Questions remain on some of the structural cracking, however.