This lesson will help the novice or experienced traveler avoid potential travel problems, which will allow the traveler to have a pleasant journey. That would be the equivalent phrase. Besides the usage above, there is another use of "allowing for" which means to consider something or a condition when one makes plans. "Allowing for traffic at this time of day, you should be able to get to the airport in one hour." or "It's rush hour now, so if you want to get to the airport at six o'clock, allow for traffic."

"Allowing for" means let (someone) have or do something. 1. Arsenal allowing Barcelona step up Cesc Fabregas pursuit. 2. Allow for inflation and increased usage.

as said above, to make allowance for a possibility. "allowing for": "Amy brought her heavier coat, allowing for London's rainy weather." "Allowing for the large number of applicants, the university began construction of new dormitories." more common is just "to allow": to let something happen "the mother allowed her child to go to the movies at night." "the school does not allow smoking on campus."

make allowance, or to offer a possibility Here: it permits you to have a pleasant jounrney

make it possible through a specific action or lack of action for something to happen