<![CDATA[This study analyzes the problem of chronic traffic congestion around the Lampung State Polytechnic (Polinela) campus area due to high side friction from the activities of Street Vendors (PKL) who occupy the sidewalks and shoulders and are exacerbated by the large number of consumer vehicles parked irregularly on the roadside, the problem shows that congestion occurs systematically during the morning rush hour (06.30–08.00 WIB) and afternoon (15.00–17.00 WIB), where side friction categories of high to very high reduce the effective width of the road drastically, thus pushing the degree of saturation to approach or exceed the critical limit of 0.85–0.90 towards a fully saturated condition (oversaturated flow). The research method used is qualitative with a descriptive-analytical case study design. The solution to this problem is to encourage fundamental policy reform through the formulation of the "Four Pillars of Policy" which includes the planned relocation of street vendors to special off-street areas that are feasible and accessible, strengthening regulations through the formation of a Task Force Integrated cross-sectoral (Task Force), MSME-based economic empowerment program, and the implementation of a real-time data-based traffic monitoring system for adaptive traffic engineering to achieve a sustainable balance between smooth transportation and the economic welfare of the community.]]>
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