單選題 · 選擇一個答案
Where two traffic streams merge and no lane markings decide priority, what is the recommended zipper-merging practice?
兩股車流匯合，且沒有車道線決定讓行次序時，建議怎樣拉鍊匯流？
Where no lane markings determine priority, merge alternately like a zip, letting one vehicle in.
沒有車道線決定讓行次序的匯流處，按拉鍊原則交替讓一輛車匯入。
閱讀相關知識
Marked lane changes and give-way controls retain their own rules. Zipper merging does not justify forcing a gap or require a fixed 40 km/h speed.
已明確標線的變道或讓行位置仍須按其規則處理。拉鍊匯流不代表強行擠入或固定必須把車速降到40公里。