Somo 1Taa na alama za ziada: taa za barabara, ishara za awali, kinga ya watembea peke yao, alama, na taa za kilele za shuleSehemu hii inashughulikia taa na alama za ziada zinazoboresha kazi ya taa kama taa za barabara karibu na makutano, maonyo ya awali, visiwa vya watembea peke yao, alama za barabara, na taa za kasi za shule.
Intersection street lighting placementAdvance signal and warning sign coordinationPedestrian refuge islands and beaconsCrosswalk and stop bar marking standardsSchool zone flashers and timing plansSomo 2Nyaaya na usambazaji wa nguvu: aina za nyaya za nguvu na mawasiliano, upangaji wa nyaya, kuunganisha, misingi, na sanduku zilizofungwaSehemu hii inashughulikia nyaya za nguvu na mawasiliano kwa taa, ikishughulikia aina, voltage, njia, viunganisho, misingi, na sanduku zilizofungwa kwa ulinzi wa waya na miisho.
Service feed, breakers, and metering optionsPower cable sizing and insulation ratingsLow-voltage and communication cable typesConduit routing, pull boxes, and slackGrounding, bonding, and surge pathsSomo 3Teknolojia za kugundua: loops za inductive, microwave/radar, video detection, na detector za kubofya — nguvu, mapungufu, na mwongozo wa kuwekaSehemu hii inakagua teknolojia za kugundua kama loops za inductive, microwave/radar, video detection, na detector za kubofya — nguvu, mapungufu, na mwongozo wa kuweka.
Inductive loop design and sawcut layoutMicrowave and radar sensor siting rulesVideo detection setup and occlusion risksPedestrian pushbutton placement and wiringDetection zone tuning and verification testsSomo 4Vifaa vya ishara vya watembea peke yao na waendeshaji baiskeli: ishara za watembea peke yao zinazopatikana (APS), timer za kuhesabu, pushbutton za kugusa, na vipengele maalum vya waendeshaji baiskeliSehemu hii inaelezea zana za taa za watembea peke yao na waendeshaji baiskeli kama ishara za watembea peke yao zinazopatikana (APS), timer za kuhesabu, pushbutton za kugusa, na vipengele maalum vya baiskeli, na sauti, vibrations, mitazamo, maeneo, na mipangilio kwa vivuko salama.
Accessible pedestrian signal audible featuresVibrotactile indications and locator tonesCountdown pedestrian signal display logicBicycle signal heads and detection pairingTiming for pedestrians and cyclists at crossingsSomo 5Kuweka upatikanaji na mwonekano: kuweka nguzo na pushbutton kwa mistari ya kuona, nyuso za kugusa, upatikanaji wa kiti cha magurudumu, na maeneo salama ya kusubiriSehemu hii inasisitiza kuweka nguzo, taa, pushbutton kwa mitazamo bora na upatikanaji, ikishughulikia njia za kuona, miongozo ya kugusa, nafasi ya kiti cha magurudumu, na maeneo salama ya kusubiri yanayotimiza sheria.
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 polesSomo 6Nguzo, mikono ya mlingoti, na muundo wa msingi: kuchagua urefu wa mikono ya mlingoti, urefu wa kupanda, kina cha msingi, na mazingatio ya upepo/mbinuSehemu hii inashughulikia kuchagua nguzo, mikono ya mlingoti, misingi, kuchagua urefu wa mikono, urefu wa kupanda, kina cha msingi, kwa ajili ya udongo, upepo, mizigo ikihakikisha nguvu ya kudumu.
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 cyclesSomo 7Aina za vichwa vya ishara na vipengele: LED dhidi ya incandescent, vipengele (3-, 4-, 5-seksheni), ukubwa, na vigezo vya mwonekanoSehemu hii inakagua aina za vichwa vya taa kama LED dhidi ya babulu za zamani, vipengele (3-, 4-, 5-seksheni), ukubwa, na vigezo vya mwonekano, na ngao kwa mipangilio tofauti ya barabara.
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 controlSomo 8Kuchagua sanduku la udhibiti na kitengo cha udhibiti: familia za udhibiti, NEMA dhidi ya viwango vya ndani, heating/cooling ya sanduku, ulinzi wa surge, na chaguo za nguvu ya backupSehemu hii inaongoza kuchagua sanduku za udhibiti na vitengo, NEMA dhidi ya sheria za ndani, ukubwa, udhibiti wa hali ya hewa, walinzi wa surge, wiring, backups kwa kazi thabiti.
NEMA vs local controller form factorsCabinet size, layout, and door securityHeating, cooling, and ventilation optionsSurge protection and grounding strategyUPS and generator backup integration