It is recommended that the estimated wait time be checked in advance of travel.

This is a lengthy process and should be commenced well in advance of travel.

These should be obtained in advance of travel.

This is payable by credit/debit cards online only, in advance of travel.

Permits must generally be sought as early as 6 months in advance of travel.

The notices at the station, however, give the impression that all tickets to any destination must be bought in advance of travel.

Stays are from seven days, and places are limited so it is best to arrange in advance of travel.

You should make your application at least 24 hours in advance of travel.

The fares are paid in advance of travel at a ticket vending machine or on board a bus.

You should contact the airline or your travel company in advance of travel to check for the latest information.