Docsity
Log inSign up
Docsity
Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity

Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan

Guidelines and tips
Guidelines and tips
Sell on Docsity
Sell on Docsity
Log inSign up

Prepare for your exams

Study with the several resources on Docsity

Find documents

Prepare for your exams with the study notes shared by other students like you on Docsity

Search Store documents

The best documents sold by students who completed their studies

Search through all study resources
Docsity AINEW

Summarize your documents, ask them questions, convert them into quizzes and concept maps

Explore questions

Clear up your doubts by reading the answers to questions asked by your fellow students

Earn points to download

Earn points by helping other students or get them with a premium plan

Share documents
download point icon20 Points

For each uploaded document

Answer questions
download point icon5 Points

For each given answer (max 1 per day)

All the ways to get free points
Get points immediately

Choose a premium plan with all the points you need

Study Opportunities

Choose your next study program

Get in touch with the best universities in the world. Search through thousands of universities and official partners

Community

Ask the community

Ask the community for help and clear up your study doubts

University Rankings

Discover the best universities in your country according to Docsity users

Free resources

Our save-the-student-ebooks!

Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors

From our blog

Exams and Study
Go to the blog

IMSA Signal Tech Level 1 Glossary, Exams of Advanced Education

West Virginia University (WVU)Advanced Education

A comprehensive glossary of terms related to traffic signal technology and infrastructure. It covers a wide range of topics, including signal components, control systems, detection methods, communication protocols, and regulatory standards. The glossary definitions are concise and informative, making it a valuable reference for professionals and students in the field of transportation engineering, traffic management, and intelligent transportation systems. Fundamental concepts, industry-specific terminology, and emerging technologies, providing a solid foundation for understanding the complex systems that govern modern traffic signal operations. With its clear explanations and extensive coverage, this glossary can serve as a valuable resource for engineers, technicians, researchers, and policymakers working to improve the efficiency, safety, and sustainability of urban and highway transportation networks.

Typology: Exams

2023/2024

Available from 10/15/2024

Examproff
Examproff 🇺🇸

1

(1)

6K documents

1 / 6

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
IMSA Signal Tech Level 1 Glossary Solved
Accessible Pedestrian Signal - ANS-Device conveying pedestrian timing in non-visual
format (MUTCD)
Active Grade Crossing Warning System - ANS-Signals informing road users of
approaching trains at crossings (MUTCD)
Active Sensor - ANS-Sensor emitting energy reflected from objects in its zone
Actuated Controller - ANS-Receives data from sensors to adjust signal timing
Actuated Operation - ANS-Signal operation based on detector activation (MUTCD)
Actuation - ANS-Triggering a signal phase change via detectors (MUTCD)
Advanced Transportation Controller (ATC) - ANS-Standardized platform supporting
Intelligent Transportation Systems
Alternating Current (ac) - ANS-Current reversing direction at regular intervals
American Wire Gauge (AWG) - ANS-Standard wire gauge for nonferrous electric wire
Americans with Disabilities Act of 1990 (ADA) - ANS-Ensures equal opportunities for
persons with disabilities
Ampere - ANS-Unit measuring electron flow rate through a conductor
Analog - ANS-Design using continuously varying voltages
Approach - ANS-Traffic lanes moving towards an intersection (MUTCD)
Arterial - ANS-Main street with preferential right-of-way
Auxiliary Equipment - ANS-Additional devices enhancing a controller assembly (NEMA)
Average Day - ANS-Typical day representing normal traffic volumes (MUTCD)
Back Panel - ANS-Board in controller cabinet with terminals and fuses
Background Cycle - ANS-Master controller cycle length outputting system reference
Band (Green Band) - ANS-Elapsed time allowing vehicles through an intersection
Beacon - ANS-Traffic signal operating in a flashing mode (MUTCD)
pf3
pf4
pf5

Partial preview of the text

Download IMSA Signal Tech Level 1 Glossary and more Exams Advanced Education in PDF only on Docsity!

IMSA Signal Tech Level 1 Glossary Solved

Accessible Pedestrian Signal - ANS-Device conveying pedestrian timing in non-visual format (MUTCD) Active Grade Crossing Warning System - ANS-Signals informing road users of approaching trains at crossings (MUTCD) Active Sensor - ANS-Sensor emitting energy reflected from objects in its zone Actuated Controller - ANS-Receives data from sensors to adjust signal timing Actuated Operation - ANS-Signal operation based on detector activation (MUTCD) Actuation - ANS-Triggering a signal phase change via detectors (MUTCD) Advanced Transportation Controller (ATC) - ANS-Standardized platform supporting Intelligent Transportation Systems Alternating Current (ac) - ANS-Current reversing direction at regular intervals American Wire Gauge (AWG) - ANS-Standard wire gauge for nonferrous electric wire Americans with Disabilities Act of 1990 (ADA) - ANS-Ensures equal opportunities for persons with disabilities Ampere - ANS-Unit measuring electron flow rate through a conductor Analog - ANS-Design using continuously varying voltages Approach - ANS-Traffic lanes moving towards an intersection (MUTCD) Arterial - ANS-Main street with preferential right-of-way Auxiliary Equipment - ANS-Additional devices enhancing a controller assembly (NEMA) Average Day - ANS-Typical day representing normal traffic volumes (MUTCD) Back Panel - ANS-Board in controller cabinet with terminals and fuses Background Cycle - ANS-Master controller cycle length outputting system reference Band (Green Band) - ANS-Elapsed time allowing vehicles through an intersection Beacon - ANS-Traffic signal operating in a flashing mode (MUTCD)

Cable - ANS-Insulated conductors wrapped together California Department of Transportation (Caltrans) - ANS-Manages California's highways, rail services, and airports Call - ANS-Registration of right-of-way demand at a controller unit (NEMA) Canadian Electrical Code (CEC) - ANS-Standards addressing electrical product safety in Canada (CSA) Changeable Message Sign (CMS) - ANS-Traffic control device for real-time information (ITS) Circuit - ANS-Closed path followed by an electric current Coil - ANS-Conductor wound on a form using electromagnetic induction Conductor - ANS-Medium transmitting electrical current Dual-Arrow Signal Section - ANS-Includes yellow and green arrows for traffic control. Emergency Vehicle Traffic Control Signal - ANS-Assigns right-of-way to authorized emergency vehicles. Equal Employment Opportunity (EEO) - ANS-Prohibits specific job discrimination in certain workplaces. Flasher - ANS-Device turning traffic signals on/off repetitively. Flashing Mode - ANS-Operational mode turning signals on/off repetitively. Frequency-Modulated Continuous Wave (FMCW) - ANS-Radar system modulating continuous wave energy for detection. Fully-Actuated Operation - ANS-All signal phases operate based on actuation. High-Density Polyethylene (HDPE) - ANS-Conduit material in traffic signal installations. Highway Traffic Signal - ANS-Device warning/directing traffic actions on roads. Institute of Transportation Engineers (ITE) - ANS-Association applying tech to transportation research. Intelligent Transportation Systems (ITS) - ANS-Enhances transport safety/mobility with tech.

National Electrical Code (NEC) - ANS-Standard governing electrical installations in buildings. National Electrical Manufacturers Association (NEMA) - ANS-Trade association for electrical manufacturing industry. Non-Locking Memory - ANS-Controller mode dropping vehicle calls after detection area exit. Occupancy - ANS-Percentage of time a sensor's detection zone is occupied. Offset - ANS-Time difference between coordinated phase start and reference signal. Passage Detection - ANS-Ability of a sensor to detect vehicle passage. Pedestrian Change Interval - ANS-Interval displaying UPRAISED HAND signal. Pedestrian Clearance Time - ANS-Time for pedestrian crossing after leaving the curb. Pedestrian Signal Head - ANS-Signal head directing pedestrian traffic at intersections. Permissive Mode - ANS-Allows turns after yielding to pedestrians and traffic Phase - ANS-Traffic signal cycle or specific vehicular movement Phase Sequence - ANS-Predetermined order of cycle phases Platoon - ANS-Group of vehicles traveling together Polyvinyl Chloride (PVC) - ANS-Thermoplastic conduit material for installations Preemption Control - ANS-Special mode for traffic signal operation Presence Detection - ANS-Vehicle sensor detecting moving or stopped vehicles Presence Loop Detector - ANS-Inductive loop detecting vehicle presence Pretimed Operation - ANS-Signal operation without actuation Priority Control - ANS-Modifying right-of-way assignment Protected Mode - ANS-Permits turns with green arrow signal Pushbutton - ANS-Activates pedestrian timing Pushbutton Locator Tone - ANS-Sound indicating need to push button for timing

Queue Length - ANS-Number of vehicles constrained by lead vehicle Ramp Control Signal - ANS-Controls traffic flow onto freeways Recall - ANS-Operational mode displaying phases each cycle Red Clearance Interval - ANS-Optional interval after yellow signal Right-of-Way (Assignment) - ANS-Granting right-of-way to vehicles or pedestrians Ring - ANS-Sequentially timed conflicting phases Roadway Network - ANS-Intersecting roadways arrangement Semi-actuated Operation - ANS-Partial signal phase actuation Separate Left-Turn Signal Face - ANS-Controls left turn with different signal color Shared Left-Turn Signal Face - ANS-Controls left turn with same signal color as through Signal Backplate - ANS-Enhances signal visibility Signal Coordination - ANS-Timed relationships between traffic signals Signal Face - ANS-Controls traffic movements on an approach Signal Head - ANS-Assembly of signal sections Signal Housing - ANS-Protects light source in a signal section Signal Indication - ANS-Illumination of a signal lens Signal Lens - ANS-Redirects light in a signal section Signal Louver - ANS-Restricts visibility of signal indication Signal Phase - ANS-Cycle intervals for traffic movements Signal Section - ANS-Assembly for providing a signal indication Signal System - ANS-Multiple signals operating in coordination Signal Timing - ANS-Allocated time for signal display Signal Visor - ANS-Directs signal indication to traffic