"Long queues" refers to a situation where many people are waiting in a line for something, such as at a store or an event, and the line is very long, taking a lot of time to get to the front. Full definition
Within moments of thinking about the sheer perfection of the trip, we stopped in the quarter - mile long queue to cross. (theexpeditioner.com)
They can easily access their new pension scheme account from their home and even manage their allocation without having to fill in innumerable forms or stand in long queues in PF offices. (policybazaar.com)