警告标志?    Warning Sign?

保固期?    Warrenty Period?

钢板护栏?    W-beam guardrail?

平常日?    Weekday?

地磅站?    Weigh Station?

拓宽?    Widening?

石笼?    Wire caged riprap?

无线电通讯?    Wireless Communication?

施工标志?    Work zone sign?

工区?    Work zone?