11.  Nonessential travel was banned Tuesday under a city state of emergency to give plows and tow trucks room to work.

12.  Rail lines were declared impassable Tuesday night, and authorities urged motorists to avoid nonessential travel.

13.  The Foreign Office reserved its strongest warning for Ukraine, advising against all holiday and nonessential travel between the New Year period and early January.

14.  The current advice was to defer all nonessential travel to Pakistan.

15.  The Foreign Ministry on Friday warned Spaniards against nonessential travel to Iraq due to the latest crisis over weapons inspections, the state-owned news agency EFE reported.

16.  The travel warning updates an earlier call that advised American citizens to defer all nonessential travel to Indonesia because of separatist and religious violence in outlying provinces.

17.  The U.S. Embassy urged American citizens to delay all nonessential travel to Medan, a hub for tourists visiting Sumatra Island.

18.  The U.S. State Department advised American citizens to defer all nonessential travel to the country.