Approximately when were the first iterations of systems explicitly called 'smart highways' being planned for deployment?

Answer

Around 1993

Reports indicate that the first physical road tests and planning for systems explicitly labeled 'smart highways' began emerging around 1993, focusing on testing real-time data collection.

Approximately when were the first iterations of systems explicitly called 'smart highways' being planned for deployment?

#Videos

Futuristic highways glow in the dark - Daan Roosegaarde ... - YouTube

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