Related Clues:

• Hard to pass on, as a highway
• What many rural bridges have
• Like many covered bridges
• Like some roadwork zones
• Like a road section with a flagger, maybe
• Like many country bridges
• Like some back roads
• Very narrow, as a road
• Like some country bridges
• Like some country roads
• Narrow, like some bridges
• Construction zone feature, sometimes
• Allowing cars in a single direction at a time, as a bridge
• Narrow, as a rural road
• Like many a covered bridge