International Municipal Signal Association

[2] Another function of the IMSA is to develop certification standards and training in areas such as municipal fire alarm system technician, public safety dispatcher, roadway signs and markings, roadway lighting, traffic signal technician, and work zone traffic safety.

During the following year, members started to develop standards for wire, cable, and fire alarm boxes—as well as specifications for manhole cover sizes.

On 31 August 1913, Charles Proteus Steinmetz was nominated and elected first vice-president of the IAME, an office he held until his death on 26 October 1923.

[4] In September 1937, as membership of the NMSA expanded beyond the US, the name was officially changed to the International Municipal Signal Association (IMSA).

[4] The IMSA Journal is published six times annually and has a circulation of close to 10,000 primarily in the United States and Canada.