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Salt Lake City International Airport is accepting comments through Tuesday for a plan to rebuild the terminals, concourses and parking structure.

The initial comment period is to identify issues for an environmental study of the plan, which could lead to a new airport -- keeping today's runway layout -- within the next 10 to 20 years. Officials will complete a draft study in time for a public hearing next summer.

The conceptual plan calls for an end to Salt Lake City International's existing horseshoe-and-spokes configuration in favor of a central terminal with two parallel concourse rows. The idea is to move planes in and out of gates faster by eliminating the need to back out of corrals. The separated concourses would be connected by underground passenger trains.

Airport officials have not released any cost estimates.

Comments may be e-mailed to environmental manager Patty Nelis at, or mailed to Nelis at P.O. Box 145550, Salt Lake City, UT, 84114-5550.

The Salt Lake Tribune