Lesson 1Lighting and signing adjuncts: street lighting, advance signals, pedestrian refuge, markings, and school zone flashersDis section cover supporting lighting and signing dat make signal work better. Topics include street lighting near intersections, advance warning signals, pedestrian refuges, pavement markings, and school zone flashers for speed and compliance control.
Intersection street lighting placementAdvance signal and warning sign coordinationPedestrian refuge islands and beaconsCrosswalk and stop bar marking standardsSchool zone flashers and timing plansLesson 2Cabling and power supply: types of power and communications cables, cable routing, jointing, earthing, and lockable enclosuresDis section tackle power and communication cabling for signal systems. E cover cable types, voltage ratings, routing methods, splicing and jointing, grounding and bonding, and secure, lockable enclosures dat protect conductors and terminations.
Service feed, breakers, and metering optionsPower cable sizing and insulation ratingsLow-voltage and communication cable typesConduit routing, pull boxes, and slackGrounding, bonding, and surge pathsLesson 3Detection technologies: inductive loops, microwave/radar, video detection, and pushbutton detectors — strengths, limitations, and placement guidanceDis section look at vehicle and pedestrian detection options, including loops, radar, video, and pushbuttons. E compare strengths, weaknesses, maintenance needs, and siting rules to make sure reliable calls and reduce false or missed detections.
Inductive loop design and sawcut layoutMicrowave and radar sensor siting rulesVideo detection setup and occlusion risksPedestrian pushbutton placement and wiringDetection zone tuning and verification testsLesson 4Pedestrian and cyclist signal devices: accessible pedestrian signals (APS), countdown timers, tactile pushbuttons, and cyclist-specific aspectsDis section detail pedestrian and cyclist signal devices, including APS, countdown timers, and bicycle indications. E explain sound, vibration, and visual features, placement rules, and timing considerations dat support safe multimodal crossings.
Accessible pedestrian signal audible featuresVibrotactile indications and locator tonesCountdown pedestrian signal display logicBicycle signal heads and detection pairingTiming for pedestrians and cyclists at crossingsLesson 5Accessibility and visibility placement: pole and pushbutton placement for sightlines, tactile surfaces, wheelchair access, and safe waiting areasDis section focus on placing poles, heads, and pushbuttons to max visibility and accessibility. E tackle sightlines, tactile cues, wheelchair maneuvering space, and safe waiting areas dat comply wit accessibility and safety standards.
Primary and secondary signal sightline checksPushbutton reach ranges and clear floor spaceTactile paving at curb ramps and mediansAccessible waiting area width and gradingObstruction and clutter avoidance near polesLesson 6Poles, mast arms, and foundation design: selecting mast arm lengths, mounting heights, foundation depth, and wind/structural considerationsDis section cover structural pick of poles, mast arms, and foundations. E explain choosing mast arm length and mounting height, checking clearances, and designing foundations for soil, wind, and structural loads to make sure long-term stability.
Pole type selection and breakaway featuresMast arm length, rise, and signal placementVertical and lateral clearance requirementsFoundation depth, diameter, and rebar cagesWind loading, fatigue, and inspection cyclesLesson 7Signal head types and specifications: LED vs incandescent, aspects (3-, 4-, 5-section), sizes, and visibility criteriaDis section review signal head technologies, including LED and incandescent, and explain lens sizes, aspect counts, and optical performance. E also cover visibility criteria, background shields, and selection for varied roadway contexts.
LED vs incandescent performance and lifespan3-, 4-, and 5-section head configurationsLens diameters, symbols, and legendsVisibility distance and cone of visionBackplates, louvers, and sun phantom controlLesson 8Controller cabinet and controller unit selection: controller families, NEMA vs local standards, cabinet heating/cooling, surge protection, and backup power optionsDis section explain how to pick controller cabinets and controller units, comparing NEMA and local standards. E cover enclosure sizing, climate control, surge protection, wiring layouts, and backup power to keep safe operation during disturbances.
NEMA vs local controller form factorsCabinet size, layout, and door securityHeating, cooling, and ventilation optionsSurge protection and grounding strategyUPS and generator backup integration
