1.  In an era of tight travel budgets, he said, many researchers could not afford to attend such a specialized meeting.

2.  During six months of Israeli-Palestinian fighting, Israel has enforced tight travel restrictions on Palestinians, including blockades that confined them to their communities.

3.  Israel, seeking to keep potential attackers out of Israel, has enforced tight travel restrictions on Palestinians, including blockades that have confined them to their communities.

4.  One European reporter, whose tight travel budget usually limits him to cramped economy-class seats, marveled at how far the government went to make journalists comfortable.

5.  Tight travel restrictions have been clamped on affected areas.

6.  Tight travel restrictions have been clamped on sites suspected of harboring the disease.

7.  Last month DeWitt argued, she could not appear in court because of a tight travel schedule and poor health.