Translation of "directness" into Chinese

Is this the direct way to the Prado?

这条路是不是直接通往普拉多博物馆?

The orientation arrows shall appear on two opposite vertical sides of the package with the arrows pointing in the correct upright direction.

方向箭头必须标在包件相对的两个垂直面上,箭头笔直地指着正确的方向。