A bill to amend the Act authorizing the Trans-Alaska Pipeline in order to provide for an improved vessel traffic control system for Prince William Sound and Valdez, Alaska.

Requires the establishment and operation of a vessel traffic control system for Prince William Sound and Valdez, Alaska, which shall include VHF-FM communications, complete radar coverage, positive control of vessel transit, and a computerized control center.

Requires oil tankers operating between Alaska's North Slope and lower States to have collision avoidance systems.

Authorizes the appropriation of $23,000,000 for the establishment of such vessel traffic control system.

Provides for charges on each barrel of oil from the North Slope to support such control system. (Amends 33 U.S.C. 1221)