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The 'Alaska Highway' is an extension of the flightdeck outboard of the island to starboard, originally for the purpose of moving deck tractors fore and aft without interfering with flight ops. It got it's name because of the weather conditions usually encountered in the North Atlantic made travel along it's length somewhat precarious. The Vikramaditya design has included an Alaska Highway from the start, and some illustrations suggest it may be wide enough for aircraft to be moved as well as deck tractors. In a purpose built design it would not have been necessary to do this but this is a conversion. CVA-01 was designed with a large Alaske highway to allow aircraft movements outboard of the island to service her staboard catapult, so that launch and recovery ops could procede simltaneously. On a carrier, you can never have too much flight deck space.

If the model is accurate then aircraft movements will be possible. Not only does the extension provide more deck space, it also increases internal volume noticeably too. More space for crew accomodation usually, along with ready rooms and the like. Most British postwar CVs recieved extensions along these lines too.