On-ramp junction is choke point of expressway, and it has import and realistic significance for building and managing expressway to study its capacity.
入口匝道连接点是城市快速路的瓶颈，研究其通行能力对城市快速路的建设和管理具有重要现实意义。
The relationships between traffic parameters, such as the ramp flow, speed, density and mainline flow at the ramp junction, are established by mapping time-space plane to speed-density plane.
积分后，得到了匝道单车道流量与匝道连接处速度、密度和流量的理论关系模型。
The capacity of ramp-way junction is smaller than the capacity of the ramp itself.
匝道连接点的通行能力与匝道本身的通行能力相比是较小的。
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