The two trains collided on an over-ground stretch of the Washington metro system at around 5 p. m. during the evening rush hour.

两辆地铁在晚上下班高峰期大约5点钟左右在华盛顿地铁系统的地面以上路段相撞。

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He says the display was designed to look like a map of the local Washington Metro train system instead of a tree.

VOA: special.2009.12.01

Trash cans and recycling bins are being removed from certain areas of Washington's Metro subway system as a safety precaution.

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"If you're within one to two miles of the festivities, just walk, " said Lisa Forestein, a spokesperson for Washington's Metro subway system.

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