Ann Kobayashi‘s position on rail is complicated.

Though she has repeatedly raised questions about the project’s finances, she generally goes along with Honolulu City Council colleagues on rail votes. In 2005, she voted in favor of the one-half percent tax surcharge that will pay for two-thirds of rail construction. The bill passed, 7-2.

So it’s not really accurate to label her “anti-rail.” That might change.

Ben Cayetano has promised to stop the project if elected mayor, and said Thursday he’s going to have help from two Council members: Kobayashi and Romy Cachola. Kobayashi arrived at Cycle City after the press conference broke up, and talked to Inside Honolulu about what she expects her role will be.

She said she’ll advise Cayetano “mainly about sewer system and water mains and whether we should put Board of Water Supply back in the city, stuff like that. And roads, and of course rail and the TODs, mainly.”

Asked if she envisioned herself tagging along on Cayetano campaign events, she said, “I don’t know about joint stops, but I’m definitely going to be supporting him, but I have my own campaign to worry about.”

Kobayashi’s District 5 seat is up for a vote this year. No challengers have yet emerged.