Category: Professional
Professional writing by Caspian Ale on traffic engineering, transportation, data, technology, public-sector decision-making, and practical tools.
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History of Traffic Signals, Part 1: Before the Modern Traffic Signal
Traffic control began with officers, gestures, whistles, and mechanical devices. Part 1 traces the development of early electric and three-color signals, examines the contributions of several important inventors, and explains why no single person invented the modern traffic signal. Read more →
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Signal Warrants App: From Frustration to a Free Engineering Tool
I built a free Signal Warrants app after getting frustrated with paid software limitations, especially around rolling hours, usability, and transparency. This is the story of turning that frustration into a practical engineering tool, one small step at a time. Read more →
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Photo Mapper
PhotoMapper is a browser-based tool that reads GPS metadata from geotagged photos and places each image on a map. It helps engineers and other field professionals organize photos by location without uploading them to a server. Read more →
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Quantify or Quantize?
A short rabbit hole into the difference between quantify and quantize, and why the distinction matters more than it first appears when thinking about engineering, data, physics, and emerging technologies. Read more →
