City officials yesterday said a report from the Federal Transit Administration independently confirms that the rail project's costs and project schedule are sound.

However, the report, which is still in draft form, isn't available to the public, city officials said.

Honolulu plans to start construction on the $5.4 billion, 20-mile elevated commuter train in December. Full service between East Kapolei and Ala Moana is expected to begin by 2019.