designing and building the electrical hardware components, including necessary relays, to control the signal's lights, arms, bell, and more

We are seeking a contractor for the retrofitting work of a single Acme traffic signal. The project aims to replace the outdated controller and implement an efficient electrical system that can withstand the challenging environmental conditions. The contractor will be responsible for designing and building the electrical hardware components, including necessary relays, to control the signal's lights, arms, bell, and more. The software design should ensure reliable operation and safeguard the electronic components from potential damage. The project timeline is flexible, and the contractor will determine the estimated project duration.