幫我看一下這些英語交通標識的意思

題目：

幫我看一下這些英語交通標識的意思
Yield and watch for bicycles
Unmarked intersection ahead
Lane crossover with width restriction:
Lane shift with width restriction:
Mandatory direction of travel
Hiker’s parking:
Customs post
Detour direction sign
猜出幾個算幾個

解答：

Yield and watch for bicycles 注意自行車-公路上的)
Unmarked intersection ahead (前方是沒有標誌的十字路口--慢行)
Lane crossover with width restriction:前方十字路口有寬度限制)
Lane shift with width restriction:前方上坡 有寬度限制
Mandatory direction of travel 主幹道
Hiker’s parking:宿營地
Customs post 海關郵筒
Detour direction sign 繞行標誌