Nippon Signal Co Ltd is a Japanese technology company. Its products and services fall into the following categories: railway signal systems, traffic information systems, automatic fare collection, or AFR, systems, and parking information systems. The railway signal systems division provides automatic train supervision systems, relay interlocking equipment, level-crossing systems, and LED information boards. The traffic information systems division offers universal traffic management systems, local controllers, and LED traffic signal lights. The AFR system division offers comprehensive network systems to automate station operations. The parking information systems division offers car parking systems and bicycle lock systems.