02 · ROUTE SYSTEMS · PRINCIPLES

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Signs that keep moving

Read it before the decision

Essential direction lands at a glance, with the next turn still a full mile ahead.

Keep the route unmistakable

One shield, one number, one promise: the driver never has to decode the system.

Make distance useful

Every exit marker turns travel time into a clear, practical measure of what comes next.

Let the field do the work

High-contrast legends stay legible through rain, dusk, glare, and the long overnight run.

This is the Interstate by Frere-Jones design system, applied by Curio Design — a design-style library for AI agents. Full Interstate by Frere-Jones guide → designbycurio.com/learn/interstate-frere-jones-1993