100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
IMSA Traffic Control Tech 1 QUESTIONS & ANSWERS(GRADED A) $12.49   Add to cart

Exam (elaborations)

IMSA Traffic Control Tech 1 QUESTIONS & ANSWERS(GRADED A)

 6 views  0 purchase
  • Course
  • IMSA
  • Institution
  • IMSA

High-Traffic Areas - ANSWER High-volume streets, such as arterials. Typically wide and have multiple lanes of travel. Low-Traffic Areas - ANSWER Low-volume streets such as local streets or collector streets. Typically narrow and have single lanes of travel. Insulated Hand Tools - ANSWER Tools...

[Show more]

Preview 2 out of 11  pages

  • September 12, 2024
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • IMSA
  • IMSA
avatar-seller
shantelleG
IMSA Traffic Control Tech 1 QUESTIONS
& ANSWERS(GRADED A)
High-Traffic Areas - ANSWER High-volume streets, such as arterials. Typically wide and have multiple
lanes of travel.



Low-Traffic Areas - ANSWER Low-volume streets such as local streets or collector streets. Typically
narrow and have single lanes of travel.



Insulated Hand Tools - ANSWER Tools with insulated handles, designed to protect from electric shock
when working with live electricity.



Insulated Mats/Blankets - ANSWER Safe place to stand when working on electric systrems



Circuit Breaker Finders - ANSWER Tool that helps locate the appropriate circuit breaker or fuse that
controls the electrical supply to the area.



Conductors - ANSWER Materials that conduct electricity

Ex. Most metals



Insulators - ANSWER Materials that do not conduct electricity

EX. plastic, rubber, glass, ceramic



Understanding electricity - ANSWER Electricity is similar as water flowing through pipes

Voltage is like water pressure.

Current is like amount of water.

Resistance is like the size of the pipe.

, Ohm's Law - ANSWER E = I x R



E = Voltage(Electromotive Force) (Volts)

I = Current(Intensity) (Amps)

R = Resistance (Ohms)



120 VAC/ 24 VDC - ANSWER Typical voltages used in traffic signal circuits



Calculating signal intervals - ANSWER Turning movement counts - data on traffic volume

Signal phasing- data on terrain

Minimum green time- time to clear intersection

Pedestrian clear time

Yellow & All-Red Intervals

Coordination & Optimization



Split - ANSWER Allocation of time within a single cycle for a specific movement or phase. it represent the
duration or percentage



Offset - ANSWER time difference between the initiation of signal phases or intersections along a corridor.
Effective offset can help reduce stops, improve travel times, enhance fuel efficiency



Lead Left-Turns - ANSWER protected left-turn served prior to the complementary through movement.
most common



Lag Left-Turns - ANSWER Protected left turn served after the complementary through movement. most
used in coordinated systems with closely spaced lag left turn intersections such as diamond interchanges



Lead-Lag Left Turns - ANSWER leading and lagging left turn are provided on opposing approached of the
same street

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller shantelleG. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $12.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

83637 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$12.49
  • (0)
  Add to cart