engineering

Pete Tomlin

Pete Tomlin is a engineering topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Pete Tomlin rather than just read about it. In short: Pete Tomlin is an expert in transit signalling systems, who was employed by the Toronto Transit Commission, the New York City Transit Authority, Hong Kong and the London Underground. Signalling systems Tomlin was responsible for installing the signal system on London's Jubilee line, in 1997, and the West Rail and Ma On Shan subway lines in Hong Kong, before coming to Toronto to upgrade the signal system on the Yonge…

Key takeaways

Pete Tomlin belongs to engineering; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Pete Tomlin to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Pete Tomlin from memory before moving on to harder problems.

Reference excerpt

Pete Tomlin is an expert in transit signalling systems, who was employed by the Toronto Transit Commission, the New York City Transit Authority, Hong Kong and the London Underground.

Signalling systems

Tomlin was responsible for installing the signal system on London's Jubilee line, in 1997, and the West Rail and Ma On Shan subway lines in Hong Kong, before coming to Toronto to upgrade the signal system on the Yonge-University Line. The New York City Transit President Andy Byford hired Tomlin in January 2019, having worked with him in London and Toronto. Byford described his hiring of Tomlin as a "coup", because multiple other systems had wanted to hire him. Tomlin was hired during the middle of a hiring freeze. According to the New York Daily News, it was his expertise in upgrading the signal infrastructure subways use that put him in demand. Many major cities share the problem of their most used lines approaching or occasionally exceeding their maximum passenger carrying capacity. Improving the signals system allows trains to run closer together and more frequently, increasing a subway line's passenger capacity. It can postpone the need for new parallel lines to be installed. In describing the challenge of gradually replacing a subway line's signals system, while it is still in use, Tomlin said “A colleague of mine once described it like … conducting open-heart surgery on a 100-year-old person while he’s eating his lunch.” Byford repeatedly clashed with Governor Andrew Cuomo, and resigned on January 15, 2020. Tomlin resigned nine days later, on January 24, 2020.

References

Worked examples

Example 1 — a first encounter with Pete Tomlin

Start with the simplest possible case. Write down what Pete Tomlin claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Pete Tomlin before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Pete Tomlin ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Pete Tomlin

In research: Pete Tomlin appears in engineering research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Pete Tomlin in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Pete Tomlin is common in secondary-school and first-year university syllabi. It links to neighbouring topics Electrical engineers, Living people, so understanding it makes those chapters shorter.
In everyday life: Look for Pete Tomlin outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Pete Tomlin” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Pete Tomlin in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Pete Tomlin means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Pete Tomlin out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Pete Tomlin in simple terms?

Pete Tomlin is an expert in transit signalling systems, who was employed by the Toronto Transit Commission, the New York City Transit Authority, Hong Kong and the London Underground. Signalling systems Tomlin was responsible for installing the signal system on London's Jubilee line, in 1997, and th…

Why does Pete Tomlin matter?

Because it connects several engineering ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Pete Tomlin?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Pete Tomlin.