"At that point, it became fairly obvious we had significant obstacles to get through."

The proposal's early history suggests, however, that very significant obstacles remain.

Community opposition is also a significant obstacle to new construction.

Another significant obstacle to the acceptance of video telephone systems has been quality.

But officials said the agency was not expected to pose significant new obstacles to the merger.

"But it's an extremely competitive business, and there are significant obstacles to starting up."

But he said there were significant obstacles to be overcome.

There are still significant obstacles to the free movement of goods and services within the Union.

We no longer have poll taxes, but there are still significant obstacles to voting.

However, a bid from him or anyone else at this point would have to overcome two significant obstacles.