Follow the highway south for about ten miles and get off at Exit 30. At the end of the ramp, make a left onto highway 4.
沿公路往南走，大约10英里，在30号出口下公路，再在坡道的尽头向左转走4号公路。
Drivers who miss a highway exit often simply put their cars in reverse and return through oncoming traffic.
错过了高速路出口的司机往往直接原地甩头，逆向冲进迎面而来的车流；
The sharp variation of luminance at the entrance and exit of highway tunnel will cause the difficulty in visual adaptation of the driver, and even lead to traffic accidents.
公路隧道进出口亮度的急剧变化会造成驾驶员视觉适应困难，严重时甚至导致交通事故。
Follow the highway south for about ten miles and get off at Exit 30. At the end of the ramp, make a let onto highway 4.
沿公路往南走，大约10英里，在30号出口下公路，再在坡道的尽头向左转走4号公路。
A ramp toll is a collection mechanism at an entrance or exit ramp to the highway and these do not concern us here.
匣道收费是一种在入口和出口的回道处设立的收费站，但是今天这个不在我们的讨论范围之列。
Located at Beijing Central Villa District. Capital Airport highway Beigo Exit.
位于中央别墅区。从机场高速北皋出口可直达。
Capital Airport highway Beigo Exit.
从机场高速北皋出口可直达。
Capital Airport highway Beigo Exit.
从机场高速北皋出口可直达。
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