The interstate was originally scheduled to be open by Christmas 1984, but weather delays pushed back the construction timetable.

Longer construction timetables make some builders nervous about locking in prices.

The construction timetable in July 2008 was:

The construction timetable is not yet set, and will depend on factors determined by governmental budget decisions.

Because of climatic conditions, this stretch of the expressway does not yet have a construction timetable.

But Mr. Rampe said it would not affect the construction timetable, which calls for both cultural buildings to be completed by 2009 or 2010.

On Sunday, officials said they were prepared to release the developers from a construction timetable and allow those towers to be built as the market dictated.

In this case, the construction timetable proved wrong, as did very optimistic forecasts concerning the rates of inflation and interest.

Because of the required sudden investment, Nankai stalled on the Semboku line's construction timetable.

Priority funding within the framework of the main European networks and a construction timetable are essential.