Hi, I’m Mojtaba.
I’m a traffic engineer focused on operations, safety, and data-driven decision-making. I write about these topics in the Professional section, and explore ideas, learning, and perspectives beyond engineering in the Personal section. Visit the About Me page to learn more.
Latest Writing:
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Connected to Nothing
I stood alone on a pale pink surface that stretched endlessly in every direction. As a strange warm fluid rose around me, dissolving the boundary between myself and the world, I experienced something difficult…
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History of Traffic Signals, Part 5: The Modern Signal and Its Future
Modern traffic signals operate within increasingly data-driven and connected systems. Part 5 explores adaptive control, performance measurement, signal warrants, Safe System principles, V2X, artificial intelligence, and the continuing responsibility of public agencies to manage…
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History of Traffic Signals, Part 4: Expanding Whom and What the Signal Serves
Traffic signals gradually expanded beyond serving general motor-vehicle traffic. Part 4 examines pedestrian and bicycle accommodations, turn arrows, LED displays, transit priority, and emergency-vehicle preemption, along with the operational and safety considerations these capabilities…