Jalan merupakan sarana transportasi darat yang sangat penting dalam mendukung kelancaran mobilitas masyarakat dan distribusi barang. Namun, aktivitas di sekitar jalan, khususnya di kawasan pasar tradisional, sering menimbulkan hambatan samping yang dapat mengganggu kelancaran lalu lintas. Penelitian ini bertujuan untuk menganalisis pengaruh hambatan samping akibat aktivitas Pasar Campalagian terhadap kinerja ruas Jalan Poros Majene–Mamuju di Kecamatan Campalagian, Kabupaten Polewali Mandar. Metode penelitian yang digunakan adalah pendekatan kuantitatif melalui survei dan pengamatan langsung di lapangan. Data primer akan dikumpulkan berupa volume lalu lintas, jenis
hambatan samping, dan waktu tempuh kendaraan. Analisis data dilakukan berdasarkan Pedoman Kapasitas Jalan Indonesia (PKJI 2023) untuk mengevaluasi kapasitas jalan, derajat kejenuhan, dan tingkat pelayanan lalu lintas. Hasil dari penelitian ini diharapkan dapat memberikan informasi yang berguna bagi pemerintah daerah dalam upaya penataan lalu lintas di sekitar kawasan pasar.
Roads are a vital component of land transportation infrastructure, essential for supporting the mobility of people and the distribution of goods. However, activities around the roadway—particularly in traditional market areas—often generate side frictions that disrupt traffic flow. This study aims to analyze the impact of side frictions caused by the activities of Campalagian Market on the performance of the Majene–Mamuju arterial road segment located in Campalagian District, Polewali Mandar Regency. This research employs a quantitative
approach through field surveys and direct observations. Primary data to be collected include traffic volume, types of side frictions, and vehicle travel time. The analysis will follow the Indonesian Highway Capacity Manual (PKJI 2023) to assess road capacity, degree of saturation, and level of service. The findings are expected to provide useful insights for local government authorities in planning
and managing traffic flow around market areas.