我在附近转悠了一圈，想看看有没有可供汽车通行的街道，果不其然找到了一条能让四轮驱动的汽车驶出并进入主干道的线路。
I walked around the neighborhood to see if there were any passable streets and found an exit route that a four-wheel-drive vehicle might clear to a major avenue.
城市主干道承担了城市的主要交通量，将主干道上若干个交叉口联动起来进行控制，可以大大提高通行能力。
Urban arterial road is the main undertaker for the urban transportation. The transportation capacity can be improved by combining and controlling many intersections in one trunk road.
可实现主干道和支干道的通行控制和时间显示以及声音提醒控制。
May realize the host yang or male principle and a yang or male principle passes through the control and the time demonstration as well as the sound reminder control.
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