Lesson 1Lightin an signin adjunct: street lightin, advance signal, pedestrian refuge, markin, an school zone flasherDis section cover supportin lightin an signin dat boost signal effectiveness. Topic include street lightin near intersection, advance warnin signal, pedestrian refuge, pavement markin, an school zone flasher fi speed an 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 an power supply: type a power an communication cable, cable routin, jointin, earthing, an lockable enclosureDis section address power an communication cablin fi signal system. It cover cable type, voltage ratin, routin method, splicin an jointin, groundin an bondin, an secure, lockable enclosure dat protect conductor an termination.
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 technology: inductive loop, microwave/radar, video detection, an pushbutton detector — strength, limitation, an placement guidanceDis section examine vehicle an pedestrian detection option, includin loop, radar, video, an pushbutton. It compare strength, weakness, maintenance need, an sitin rule fi ensure reliable call an minimize false or miss detection.
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 an cyclist signal device: accessible pedestrian signal (APS), countdown timer, tactile pushbutton, an cyclist-specific aspectDis section detail pedestrian an cyclist signal device, includin APS, countdown timer, an bicycle indication. It explain sound, vibration, an visual feature, placement rule, an timin consideration dat support safe multimodal crossin.
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 an visibility placement: pole an pushbutton placement fi sightline, tactile surface, wheelchair access, an safe waitin areaDis section focus pon placin pole, head, an pushbutton fi maximize visibility an accessibility. It address sightline, tactile cue, wheelchair maneuverin space, an safe waitin area dat comply wid accessibility an safety standard.
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 6Pole, mast arm, an foundation design: selectin mast arm length, mountin height, foundation depth, an wind/structural considerationDis section cover structural selection a pole, mast arm, an foundation. It explain choosin mast arm length an mountin height, checkin clearance, an designin foundation fi soil, wind, an structural load fi ensure 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 type an specification: LED vs incandescent, aspect (3-, 4-, 5-section), size, an visibility criteriaDis section review signal head technology, includin LED an incandescent, an explain lens size, aspect count, an optical performance. It also cover visibility criteria, background shield, an selection fi varied roadway context.
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 an controller unit selection: controller family, NEMA vs local standard, cabinet heatin/coolin, surge protection, an backup power optionDis section explain how fi select controller cabinet an controller unit, comparin NEMA an local standard. It cover enclosure size, climate control, surge protection, wirin layout, an backup power fi maintain safe operation durin disturbance.
NEMA vs local controller form factorsCabinet size, layout, and door securityHeating, cooling, and ventilation optionsSurge protection and grounding strategyUPS and generator backup integration
