The second phase of Hangzhou Metro Line 1 has a planned extension to the airport.

A planned extension to a neighbouring property also threatened the mill, as it would encroach into the mill's turning circle if built.

A planned extension to Roseville, once a top priority, has been on hold for years.

A planned extension of State Highway 289 would pass the airport on the west side.

A planned third extension (southward to Southwest 136th Street) is currently being considered.

The highway's kilometer count starts at 66, since it includes the planned southern extensions.

A planned extension to the hotel will then be added after the official opening of the hotel.

A planned extension of the Marina Freeway to the marina itself would add to the congestion.

A planned extension to the Gulf of Mexico was never built.

A planned extension was never implemented.