Dual-lane and Multilane

Dual-lane adjective - Having a median strip or island between lanes of traffic moving in opposite directions.

Multilane and dual-lane are semantically related. In some cases you can use "Multilane" instead an adjective phrase "Dual-lane".

Multilane adjective - (of roads and highways) having two or more lanes for traffic.

Dual-lane and multilane are semantically related. You can use "Dual-lane" instead an adjective "Multilane".