"Travel restrictions" refers to rules or limitations that are put in place to control and limit people's ability to travel to or from certain places. Full definition
As frequent travelers, we've found ways to cope with travel restrictions in the past. (blog.tortugabackpacks.com)
However, the need to accrue lots of miles or points, blackout dates and other travel restrictions often make travel redemption frustrating. (discover.com)
Travel period: there are no special travel restrictions so your pass must be validated within 11 months of its issue date. (acprail.com)