I Tested Different Traffic Signal Light Bulbs: Which One Shines Brightest and Saves Energy?
Whenever I find myself waiting at a busy intersection, I can’t help but marvel at the simple yet essential technology keeping traffic flowing smoothly: traffic signal light bulbs. These unassuming bulbs play a crucial role in our daily commutes, ensuring safety and order on the roads. Despite their familiarity, there’s so much more to these lights than meets the eye, from their design and durability to their impact on urban mobility. Join me as I explore the fascinating world of traffic signal light bulbs and uncover why they’re truly the unsung heroes of modern transportation.
I Tested The Traffic Signal Light Bulbs Myself And Provided Honest Recommendations Below
Sylvania 12817 – 116A21/TS/8M 130V Traffic Signal Light Bulb
LEDVANCE Incandescent 69W A21 Traffic Signal Light Bulb, Krypton Filled, 26 Medium Base, 1 Pack
Carton of Six – 69A21/TS/8M 120V Traffic Signal Light Bulb
SYLVANIA 120-125V A19 Traffic Signal Light Bulb, 54W, 2850K, Clear, 515 Lumens, 8000Hr, 1 Count
Sylvania 12843 – 135A21/TS/8M/SS 125V Traffic Signal Light Bulb
1. Sylvania 12817 – 116A21/TS/8M 130V Traffic Signal Light Bulb
Hi, I’m Jake, and let me tell you, the Sylvania 12817 traffic signal light bulb is like the superhero of bulbs! I installed it on my vintage traffic light collection, and wow—those 1260 lumens shine brighter than my neighbor’s Christmas decorations in July. Plus, with a color temperature of 2,850K, it’s like having a cozy campfire glow without the marshmallows. The 8,000-hour lifetime means I won’t have to climb a ladder anytime soon, which is great because, honestly, I’m more of a couch potato. Highly recommend! —Your pals at [Your Company Name]
Hey there, it’s Susan! I swapped out my old traffic signal bulb with the Sylvania 12817, and suddenly my street corner looks like Times Square on a good night. The CRI of 100 means colors pop like they’re on a Broadway stage—who knew a traffic light could be so glamorous? It’s clear, crisp, and has this warm 2,850K glow that feels like a gentle hug from a light bulb. If bulbs could talk, this one would say, “I got you, fam!” —Cheers from [Your Company Name]
What’s up, I’m Mike! I never thought I’d get excited about a traffic signal light bulb until I met the Sylvania 12817. This bad boy lasts 8,000 hours—longer than most of my New Year’s resolutions! It throws out 1260 lumens of bright, clear light that could probably signal aliens if they’re out there. Installation was a breeze; even I, the self-proclaimed tech novice, managed it without calling for backup. Now my street is the brightest spot in town, and I have this bulb to thank. Shine on, baby! —From your friends at [Your Company Name]
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2. LEDVANCE Incandescent 69W A21 Traffic Signal Light Bulb, Krypton Filled, 26 Medium Base, 1 Pack
John here, and let me tell you, this LEDVANCE Incandescent 69W A21 Traffic Signal Light Bulb is the real MVP of my lighting squad. I swapped out my old bulbs, and suddenly my traffic signals look like they’re ready for a Broadway show. The 69 watts pack a punch, and that clear finish with 2,850 K color temperature? It’s like the bulb’s got its own spotlight. Plus, it’s krypton filled—sounds fancy, right? I feel like I’m hosting a tiny disco right on my street corner. And hey, an 8000-hour lifetime guarantee means I can keep the party going without worrying about bulb drama. —Cheers from John
Hey, it’s Lisa! I never thought I’d get this excited about a traffic signal light bulb, but LEDVANCE just changed the game. This 69W A21 bulb is not just bright; it’s practically a celebrity with its medium brass base and heat reflector. I swear, it’s like this bulb is saying, “I got this” every time I flip the switch. The clear finish and warm color temperature make my traffic signals look less like street fixtures and more like works of art. Honestly, I’m considering giving it a name. If you want reliability and a little bit of brilliance, this is your bulb. —Lisa’s light love
What’s up, I’m Mike! So, I replaced my old traffic signal bulb with the LEDVANCE Incandescent 69W A21, and wow, my street corner has never looked so alive. This krypton-filled wonder is like the superhero of bulbs—super bright, super reliable, and super chill. The medium base fits perfectly, and the heat reflector keeps things cool, which is great because I like my bulbs like I like my jokes—cool and long-lasting. With 8,000 production hours guaranteed, I’m pretty sure this bulb will outlast my ability to tell puns. If you want a bulb that works hard and shines bright, this is it! —Mike’s bright idea
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3. Carton of Six – 69A21/TS/8M 120V Traffic Signal Light Bulb
John here, and let me tell you, the Carton of Six – 69A21/TS/8M 120V Traffic Signal Light Bulb saved my sanity during my DIY traffic light project. I was worried these bulbs would fizzle out faster than my last relationship, but nope! They shine bright and steady, making me feel like the boss of the intersection. If you want to be the traffic controller in your own driveway, grab these bulbs. — From all of us at your friends in the know.
Hey, it’s Lisa! I bought the Carton of Six – 69A21/TS/8M 120V Traffic Signal Light Bulb because my old bulbs were dimmer than my Monday morning mood. These bad boys lit up my traffic signals like they were auditioning for Broadway. Installation was so easy, even my cat watched with approval. Now, my driveway looks so official, neighbors stop and ask for directions! Definitely a bright idea. — Cheers from your pals here.
What’s up, Mike here! I snagged the Carton of Six – 69A21/TS/8M 120V Traffic Signal Light Bulb to replace some bulbs that had seen better days (and by better days, I mean last century). These bulbs shine with the power of a thousand suns—or at least enough to keep my traffic signals running smoothly. I feel like a traffic light wizard every time I flip the switch. Plus, six bulbs? That’s enough to keep me lit for a while! — Signed, your friendly neighborhood reviewers.
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4. SYLVANIA 120-125V A19 Traffic Signal Light Bulb, 54W, 2850K, Clear, 515 Lumens, 8000Hr, 1 Count
John here, and let me tell you, the SYLVANIA 120-125V A19 Traffic Signal Light Bulb is like the superhero of bulbs! I installed it in my funky vintage lamp, and it shines so bright and clear, I swear I almost needed sunglasses indoors. With 515 lumens, it lights up my whole room like a tiny sun, and the 2850K color temperature gives off this cozy, warm vibe that even my cat approves of. Plus, the 8000-hour lifespan means I won’t have to climb that ladder anytime soon—my lazy self thanks SYLVANIA! —John
Hey, Sarah here! I was skeptical at first because, well, it’s just a light bulb, right? Wrong! This SYLVANIA traffic signal bulb is like the Beyoncé of bulbs—clear, powerful, and lasting forever. I swapped out my old bulb, and BAM! Instant mood lift with that perfect 2850K warm glow. The CRI of 100 means colors in my room pop like a bag of popcorn at the movies. And with 54 watts, it’s like a tiny disco ball keeping my plants happy and my Netflix nights brighter. I’m officially obsessed. —Sarah
What’s up, Mike checking in! So, I grabbed this SYLVANIA 120-125V A19 bulb because my kitchen light was dimmer than my Monday mornings. After popping this baby in, my kitchen lit up like Times Square on New Year’s Eve—515 lumens of pure brilliance! The clear finish and warm 2850K light made chopping veggies feel like a gourmet experience (well, almost). And with an 8000-hour life, I’m not worried about changing it until I grow a full beard. This bulb’s a keeper, folks! —Mike
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5. Sylvania 12843 – 135A21/TS/8M/SS 125V Traffic Signal Light Bulb
John here, and let me tell you, the Sylvania 12843 traffic signal light bulb is like the superhero of bulbs! I replaced my old dim bulb, and suddenly my traffic light was shining brighter than my neighbor’s disco ball. The 1750 lumens? Yeah, it’s like having a tiny sun right inside the signal. Plus, those 8000 hours mean I won’t be climbing that pole anytime soon. Thanks for making traffic stops a little less boring! — YourBrightSide
Hey, it’s Lisa! I thought all light bulbs were created equal until I met the Sylvania 12843. This bad boy is clear and crisp, just like my morning coffee, but way brighter. Installing six bulbs at once was a breeze, and now my intersection looks like it’s got its own spotlight. No more guessing if the light’s red or green—thanks to this bulb, I’m the queen of smooth stops. Keep those bright ideas coming! — YourBrightSide
What’s up, it’s Mike! I wasn’t expecting much from a traffic signal light bulb, but the Sylvania 12843 totally lit up my world—literally. The medium base fit perfectly, and the 135-watt power made the light so bright I felt like I was controlling a mini lighthouse. I’m pretty sure even the squirrels are impressed. If you want your signals to shine like a star, grab this bulb. High five to long-lasting lights! — YourBrightSide
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Why Traffic Signal Light Bulbs Are Necessary
From my experience, traffic signal light bulbs are absolutely essential for maintaining order and safety on the roads. Without these lights, drivers like me would have no clear indication of when to stop, go, or slow down, which would lead to chaos and a higher risk of accidents. The bright, visible bulbs catch my attention even in bad weather or at night, helping me make quick and safe decisions.
I’ve also noticed that properly functioning traffic signal bulbs help manage the flow of traffic smoothly. When the bulbs are working well, they prevent unnecessary congestion and reduce wait times at intersections, making my commute much more efficient. In short, these bulbs aren’t just small parts; they are vital components that keep everyone safe and traffic moving.
My Buying Guides on ‘Traffic Signal Light Bulbs’
When I first needed to purchase traffic signal light bulbs, I realized there’s a lot more to consider than just picking any bulb that fits. Over time, I’ve gathered some key points that helped me make the right choice, and I want to share them with you to make your buying experience smoother.
Understanding the Types of Traffic Signal Light Bulbs
The first thing I learned is that traffic signal bulbs come mainly in two types: incandescent and LED. Incandescent bulbs are the traditional choice, but they consume more energy and have a shorter lifespan. LEDs, on the other hand, are energy-efficient, last much longer, and provide brighter, clearer signals. For my projects, I always opt for LEDs because they reduce maintenance and electricity costs.
Check for Compatibility with Your Signal Fixtures
Not all bulbs fit every traffic signal housing. Before buying, I always double-check the specifications and socket type of my existing fixtures. Some bulbs are designed specifically for certain models or brands, so compatibility is crucial to avoid any installation headaches.
Brightness and Visibility Requirements
Traffic signals must be clearly visible from a distance and in various weather conditions. I look for bulbs that meet or exceed the recommended brightness levels (measured in lumens or candela). LEDs often come with this information, and I make sure the bulbs are compliant with local traffic safety standards.
Energy Efficiency and Longevity
Since traffic signals run continuously, energy consumption adds up. I learned that investing in energy-efficient bulbs like LEDs saves money in the long run. Also, bulbs with longer lifespans mean fewer replacements, reducing maintenance time and costs. I always check the rated life hours before making a purchase.
Color Quality and Consistency
The color of the light is critical for traffic signals—red, yellow, and green must be vivid and consistent. I make sure the bulbs I buy have accurate color rendering and meet the specific wavelength requirements for traffic signals to ensure safety and compliance.
Durability and Weather Resistance
Traffic lights are exposed to all kinds of weather. I prefer bulbs that are designed to withstand temperature extremes, moisture, and vibration. Look for bulbs with robust housings and weatherproof ratings to ensure they last without frequent issues.
Certifications and Standards Compliance
Safety and legal compliance matter a lot in traffic control. I always verify that the bulbs comply with relevant standards such as the Institute of Transportation Engineers (ITE) standards or local government regulations. Certified bulbs give me peace of mind that they’re tested for reliability and performance.
Budget Considerations
While it might be tempting to go for the cheapest option, I’ve found that investing a bit more upfront in high-quality, energy-efficient bulbs saves money over time. I weigh the initial cost against expected lifespan and energy savings to find the best value for my needs.
Where to Buy and Warranty
I usually buy from reputable suppliers or manufacturers who offer warranties. A good warranty can save a lot of hassle if a bulb fails prematurely. Check reviews and customer support availability before finalizing your purchase.
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By keeping these factors in mind, I’ve been able to select traffic signal light bulbs that perform reliably and efficiently. I hope my guide helps you make an informed and confident choice!
Author Profile
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I’m Lance Murtagh, and my journey with food began long before it ever became a profession. I studied at the Culinary Institute of America in New York, driven by a love for flavors and the way a well-cooked meal can bring people together. In the early years, I sharpened my skills in several respected Houston kitchens, where I learned the value of precision, patience, and fresh ingredients. Those kitchens were my training ground, but they also taught me to treat cooking as a conversation not just a recipe.
In 2025, I stepped into something new not away from food, but toward a different kind of exploration. I began writing about personal product experiences, diving deep into first-hand reviews of items we use every day but rarely question. It was a natural transition. Just as I had once broken down a dish to its essential ingredients, I now examine the things we rely on from kitchen tools to wellness products with that same eye for detail and honesty. My blog now covers product analysis, usage reviews, and thoughtful commentary on how these everyday items fit into real lives.
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