CTE Intelligent Transportation Systems (ITS) 1

Question 1

What is the primary purpose of a Traffic Management Center (TMC) in an ITS context?

Accepted Answer

To monitor, manage, and coordinate traffic flow across a transportation network using surveillance and control technologies

Answer

To collect and analyze traffic crash data for annual reporting

Answer

To process vehicle registration and licensing applications

Answer

To maintain traffic signal hardware across a jurisdiction

Question 2

What is DSRC (Dedicated Short-Range Communications) used for in connected vehicle applications?

Accepted Answer

Short-range wireless communication between vehicles and infrastructure (V2X) for safety and mobility applications

Answer

Long-range vehicle-to-satellite communication for GPS positioning

Answer

In-vehicle infotainment and internet connectivity

Answer

Communication between toll transponders and toll readers exclusively

Question 3

What does 'adaptive signal control technology' (ASCT) do differently from pre-timed or actuated signal systems?

Accepted Answer

It continuously adjusts signal timing plans in real time based on detected traffic conditions to minimize delay

Answer

It turns all signals green for emergency vehicles automatically

Answer

It replaces traffic signals with roundabouts when volumes exceed thresholds

Answer

It coordinates signals across a corridor using fixed-time offset plans

Question 4

What is a 'Dynamic Message Sign' (DMS) and what ITS function does it serve?

Accepted Answer

A changeable LED sign used to display real-time traveler information such as travel times, incidents, and road conditions to motorists

Answer

A sign with a programmable speed limit posted only in school zones

Answer

An illuminated junction control sign that displays variable route numbering

Answer

A warning sign that activates during fog or adverse weather conditions only

Question 5

What is the SAE J3016 standard related to in the context of automated vehicles?

Accepted Answer

Taxonomy and definitions for levels of driving automation (Levels 0–5)

Answer

Communication protocols for connected vehicle V2X applications

Answer

Safety standards for autonomous vehicle sensor systems

Answer

Testing protocols for autonomous vehicle certification

Question 6

What is the purpose of the US DOT's National ITS Architecture?

Accepted Answer

A framework defining ITS services, stakeholders, physical components, and communications to guide interoperable ITS deployments nationwide

Answer

A blueprint specifying exact ITS equipment brands and models for federal projects

Answer

A federal standard requiring all traffic signals to use the same controller firmware

Answer

A design manual for constructing TMC facilities