Beside the two main lines there is also one additional line where trains can stop.

The technology works by adding additional lines to the video signal.

Until the additional lines are in place we ask for your patience.

They come with four lines, and have the option of an additional 5th line for safety.

But for years, additional lines were installed in less than 5 percent of homes.

Up to three additional lines can be added for $10 each a month.

Planning is continuing, however, and the additional lines may be completed in the 2010-2015 period.

"And consumers are signing up for additional lines in their homes."

The additional lines are treated as part of the original text line.

There is also a catalogue with an additional 10,000 lines available for the customers to order from.