None concedes the massive change of principle that such an extension would require.

The final extension to Tucson required a borehole through the mountains.

An extension would require Congress to appropriate additional funds.

The extension did not require any ports be opened.

Such extension, however requires a degree of automatic data capture that prevents from cost increase in administering costs.

This helps to ensure that extensions and changes do not require too many changes in the description.

The planned extension to the main runway will also require a new control tower to be constructed.

An extension to Everett would require a separate, future measure.

The extension was one mile long and required five extra cars.

A brief extension to his term would require a change in state law to which they might be more amenable, officials said.