DEAR MISS MANNERS: When walking or biking on a sidewalk or a trail, I often encounter three individuals walking or riding abreast. Instead of their moving to single file to let me pass, I’m forced to move aside to the grass or curb.

MISS MANNERS by Judith Martin, Nicholas Ivor Martin and Jacobina Martin DEAR MISS MANNERS: When walking or biking on a sidewalk or a trail, I often encounter three individuals walking or riding abreast.