Definition

Adjective: Having a single lane for traffic moving in each of two opposite directions.

Usage

This adjective is used to describe a road, street, or highway. It specifies the road's basic capacity and layout. It is typically placed before the noun it modifies.

Examples

• The scenic route is a two-lane road that winds through the mountains.
• They are planning to widen the old two-lane highway into a four-lane expressway.
• Traffic often slows on the two-lane bridge during rush hour.

Advanced Usage

• The term is often used in transportation planning, engineering, and driving contexts to contrast with single-lane, multi-lane, or divided highways.
• It can imply limitations in traffic flow or passing opportunities compared to roads with more lanes.

Variants and Related Words

• Two-lane highway: A specific type of road, often a numbered route, with two lanes.
• Two-lane blacktop: An informal term, often used in American English, referring to an asphalt two-lane road, sometimes in a rural setting.

Synonyms

• Undivided highway (This is a more technical synonym, emphasizing the lack of a physical median barrier between opposing traffic flows.)

Antonyms

• Multi-lane
• Divided highway
• Single-lane (a road wide enough for only one vehicle, often with periodic passing areas)

Notes

• The hyphen is standard in the compound adjective "two-lane" when it precedes a noun (e.g., a two-lane street). It may sometimes be omitted in very informal contexts or when the term is used nominally (e.g., "They drove down the two lane"), though the hyphenated form is preferred for clarity.
• The concept is fundamental for understanding road safety, as passing on a two-lane road requires using the lane for oncoming traffic.

Adjective

1. having a lane for traffic in each direction