четырёхполосное движение("Дорожное полотно на Камышовом шоссе в Севастополе полностью закончено. Четырёхполосное движение открыто на всём протяжении трассы." • After four months of construction, the repaving of that section of the Trans Canada Highway is now complete, and four-lane traffic will reopen on Friday.leaderpost.comART Vancouver)
полоса разгона(v.alekseev; 1) Противоречит вашему определению, т.к. служит не для разгона. 2) Полоса разгона – merge/-ing lane / acceleration lane. masizonenko)
занимать целую полосу("When my kids and I are riding, I actually ride towards the middle of the road and I take up the entire lane because I don't want people trying to pass us and then having conflicts with cars coming the other direction. There's just not enough space on the road," he said. (NS News) ART Vancouver)
трёхрядное движение("Truck was on the brakes and could have stopped. I still think the white car will be found 100% at fault." "Three lanes of traffic and a green light ... never turn blind." (Reddit)reddit.comART Vancouver)