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Horizontal vs. Vertical Traffic Lights


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62 replies to this topic

#1 Dozer

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Posted 14 October 2006 - 12:01 PM

Quick question.. would someone mind enlightening me as to why some areas of the country hang their traffic lights horizontal and some vertical?

Vertical:
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Horizontal:
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Funny:
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Is it purly aesthetics? Or is there a purpose for this? :unsure:

Edited by Dozer, 14 October 2006 - 12:02 PM.


 

#2 dtown

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Posted 14 October 2006 - 02:05 PM

im not sure, but i like vertical better.

#3 Cadeho

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Posted 14 October 2006 - 10:52 PM

I think all of ours in Richmond are vertical. I don't have a favorite and I have no idea why places do one or the other.

#4 bmorescottamanda

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Posted 14 October 2006 - 10:54 PM

I never seen a Horizontal light before.

#5 itk

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Posted 14 October 2006 - 11:53 PM

Horizontal is Texas style. I think they just wanted to be different. Maybe there's a better reason.

Otherwise, it sometimes is used to give more vertical clearance.

#6 krazeeboi

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Posted 15 October 2006 - 05:32 AM

The vertical lights that are attached to the mast instead of the overhanging arm always confuse me, although doing some driving in DC has gotten me a little more used to them.

#7 Jerseyman4

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Posted 15 October 2006 - 11:37 AM

Pennsylvania Traffic Signals

This is not a standard PennDOT signal but i cringe everytime i pass through here. Cant this be improved???? This is along US 13 northbound in Bristol.

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New Jersey Traffic Signals

New Jersey likes to be different by mounting traffic signals in the most random places ever! You will find horizontal traffic signals in the cities. Some cities, get to install their own traffic signals like this one in Camden along County Route 543.

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Typical NJ standard traffic signal but usually, a green horizonal overhead is posted here since this is a state highway. I cannot name this road until "somebody" guesses this south jersey location over at Name this Jersey location.

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District Of Columbia Traffic Signals

All of them are this standard as far as i know. This is US 1 Southbound getting close to 14th street

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Virginia Traffic Signals

Some states like Virginia allow cities (independant cities really) to install their own traffic signals as well.

Bedford along VA 43

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South Boston along US 501 Southbound

North Carolina Traffic Signals

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NCDOT new trend of traffic signals, this one is on US 15/501 northbound leaving Carthage

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Flint Hill Church Road(?) i believe, heading into Trinity, Randolph County. It is unusual to see mast arm signals in NC outside of the city limits.

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The cities have their own DOT's therefore, you will see traffic signals slightly different than the ones statewide. This is along South Boulveard going north in Charlotte

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South Carolina Traffic Signals

SCDOT is beginning to use mast arm signals inside the city limits, especially in areas where they want to beautify the area. THis is on US 301 Northbound in Manning.

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#8 citiboi27610

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Posted 15 October 2006 - 10:44 PM

Alot of places in florida use horizontal lights. I assume this is because of hurricanes and I imagine its more stable. This could be one reason for using vertical versus horizontal.

#9 lammius

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Posted 16 October 2006 - 09:35 AM

Keepin it horizontal in Montclair, New Jersey!



Posted Image

#10 FromCityToRural

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Posted 16 October 2006 - 01:53 PM

Just preference I would guess. I always was used to vertical out in Cali, so when we moved here to TX the horizontal was weird. I can't say I have a preference one way or the other though.

#11 NcSc74

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Posted 16 October 2006 - 03:00 PM

Could it be a height limit on poles or mast. So the very bottom of a horizontal signal is just about the same height from the street surface as a verticle signal. Just that the horizontal is mounted on a shorter pole. Only a hypothesis.

#12 tamias6

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Posted 16 October 2006 - 06:13 PM

Michigan has vertically mounted traffic signals. Here in Grand Rapids, the traffic lights are ethier suspended on cables that cross the innersection diagonally or in area's like our DT they are mounted to decrative masts. New er and upgraded roads way out in 'exurbs feature traffic signals mounted to gray and very utiliarian masts.

#13 Jerseyman4

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Posted 16 October 2006 - 06:20 PM

^I like their 4 way box at the wired span traffic signals indicating the turns that are allowed/not allowed.

#14 dtown

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Posted 16 October 2006 - 08:05 PM

^they dont do that everywhere?

#15 Jerseyman4

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Posted 16 October 2006 - 11:37 PM

Nope. Michigan is unique with most of their traffic signals providing the 4 way boxes (or this) as well as their Michigan Left Turns that have SLOWLY infiltrated the Tar Heel State.

#16 AlabamaGuy2007

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Posted 16 October 2006 - 11:48 PM

VERTICAL!! I nearly die everytime I drive through downtown Birmingham. It's always different at each intersection.

#17 cheeriokid61

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Posted 17 October 2006 - 09:09 PM

I'm still tryin' to figure out that third picture. Why are some of the lights orange?

#18 runawayjim

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Posted 18 October 2006 - 10:39 AM

my guess for the horizontal lights is that they're for places where part of the light fixture would be blocked from view. i've seen these in CT at one end of an underpass so that it's visible to cars that are on the other side, but still allowing for a certain amount of clearance below the light.

#19 Snowguy716

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Posted 29 October 2006 - 01:24 PM

My guess is that horizontal lights would survive better in periods of high winds, like a hurricane. (less exposed surface to the wind)

Vertical ones just look nicer, in my opinion. I don't think I've ever seen a horizontal stop light in Minnesota, although they are common in Omaha, NE.

#20 runawayjim

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Posted 29 October 2006 - 01:26 PM

My guess is that horizontal lights would survive better in periods of high winds, like a hurricane. (less exposed surface to the wind)


it's the same surface area. the ones that are common around here are literally just the regular vertical once rotated 90 degrees.




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