Traffic Routing & Congestion Control

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Abstractions about road and network congestion, dispatch, route diversion, delay-responsive control, traffic signs, and hazard warnings.

5 abstractions in this family — domain-specific abstractions that sit near one another in structural-signature space (k-means over structural-signature embeddings). Each is shown with its short description.

• Delay-gradient congestion control — Regulate a network sender using the direction and magnitude of recent round-trip-delay change as congestion feedback, rather than relying only on packet loss or a fixed absolute-delay threshold.
• Destination dispatch — An elevator-control strategy that groups passengers by requested destination before boarding and assigns them to cars to reduce stops and aggregate delay.
• Rat running — The use of residential or otherwise unintended minor routes as shortcuts around congestion on designated main roads.
• Traffic sign design — The design system that encodes road regulations, warnings and guidance into standardized shapes, colors, symbols, words and placements for rapid recognition.
• Traffic warning sign — A standardized road sign that alerts users in advance to a hazard, obstacle or unusual condition requiring heightened attention or changed behavior.