The phrase 'when travel' is not correct and usable in written English.
You could use the phrase 'when traveling' instead. For example, "When traveling to a new destination, it is important to plan ahead."
While they expect price increases to moderate in coming months when travel traditionally slows, travelers should brace for more increases for the year-end holidays.
And recreational travelers no longer needed books when travel information became widely available online.
If you primarily seek indoor activities, consider traveling during off-peak times of year, when travel may be less expensive.
Owners, Mr. Cogan contends, will benefit faster when travel resumes.
"When travel is your resource, you can do anything.
That, after all, is when travel is at its best.
Even when travel is approved, it is often done with an eye on cost.
About 55 percent of the introductions occurred after 1900, when travel and trade began to increase.
"Sometimes we make our best discoveries when travel is a bit spontaneous," she said.
When travel costs will be charged to a sponsored project, award terms and conditions take precedence.
Rather, they say, the impact will be felt when travel revives.
