from time to time(В нервном гуле автомобильного потока то и дело слышались хлопки (Over the excited buzz of traffic you could hear pops from time to time (Michele Berdy)); routinely; more often than not
be littered with(The last time I travelled to Najaf, the road was littered with burned-out American vehicles, smashed police vehicles, abandoned checkpoints and armed men.4uzhoj)