Muhammad Inam ul Haq*, Naeem ul Hassan, & Muhammad Shafique. (2026). DESIGN AND IMPLEMENTATION OF A PLC-BASED MULTI-PHASE TRAFFIC SIGNAL CONTROL SYSTEM USING LADDER LOGIC & STL. Spectrum of Engineering Sciences, 4(1), 391–403. Retrieved from https://thesesjournal.com/index.php/1/article/view/1895