Abstract:Take the overall scheme design of Jiqu Expressway in Jining as an example, and based on the collinear characteristics of urban expressways, national highways and provincial highways in urbanization areas, the demonstration method and process of function orientation, service object, route scheme, traffic demand analysis and other aspects of the project are introduced. The cross-section layout, key node design and public traffic organization of the project are analyzed and discussed. The design essentials of the collinear roads are summarized. The design fully embodies the design concept of intensification, people-oriented and green traffic, which can be referred for the relative projects.