"Narrow alleys" refers to small and tight pathways or streets that are usually cramped and do not have much space for people or vehicles to pass through. Full definition
We wander through de narrow alleys of the old city, with their colorful buildings to the Cours Saleya, a square. (off-the-beaten-track.net)
Imagine the GT, with its glorious exhaust sound coming out of its AMG Dynamic Exhaust System with electronically controlled variable valve, speeding through narrow alleys, avoiding collisions at the very last minute and even running down the stairs. (mercedesblog.com)