Honolulu

Voters in Honolulu have approved a 20-mile light rail system for the Hawaiian city -- the largest public works project in the state's history.

As election day approaches in Honolulu, the Hawaiian capital's mayoral race has centered around transit. The incumbent has been pushing light rail, but now the challenger has unveiled a cheaper bus rapid transit system.

Officials in Honolulu recently approved a measure that will allow voters to decide whether to build a long-planned $4 billion rail system.

A new condo proposal in a Honolulu neighborhood is 70 feet over the current height limits. Developers say new heights are necessary to make projects pencil out with rising construction costs.

With plans for a $4 billion light rail system, the city of Honolulu is hoping to boost its economy and create more jobs by contracting a number of smaller firms to do the project's work instead of one big firm.

New research from the Brookings Institution claims that Los Angeles has the second smallest carbon footprint of big American cities -- a finding that contains a few caveats.

Politicians in Washington D.C. are getting behind Honolulu's plans for a $3.7 billion light rail system, calling it the "most efficient light rail project in the country".

The blog post features a list of the top five densest cities in America, and looks at the conditions that have made them that way.

The costs of Honolulu's planned commuter rail system have been estimated at nearly $4 billion, but that price tag is expected to rise further as the system develops.