Traffic signal

[jakeroot]

That actually looks pretty nice, but I would recommend changing the control city on 579 to either "West Trenton" (AKA Ewing), or "Hopewell [Township]".

Something like this then? I also added some info on Cadwalader Park:

- Given the nature of New Jersey drivers, implementing yield-ahead pavement symbols is a must. Re-enforcement signs overhead and to the side would also be implemented.

Most Jersey drivers are decent in this area - it's the damn Pennsylvanian ones that completely blow through every yield without actually yielding.

Damn Pennsylvania ruining all the fun for everyone.

[odditude]

k, looked at the NJ SLDs to figure out what was off. my previous comments are wrong, although i was correct that at no point is NJ 29 named Sanhican Dr.

what's labeled as Sanhican Dr to the NE of the roundabout/upper left of that sign is E State St, while Sanhican Dr itself begins at NJ 29 and composes the initial southernmost part of NJ 175 (and does not touch this roundabout at all). the two most major components of the intersection are CR 579/Sullivan Way (to the N) and NJ 29 (to the NW/S), with E State St (to the SE) and Mt Vernon Ave (to the W) being the minor components.

this also means that if you were to name this, you wouldn't call it "Sanhican." it also means this mess is labeled quite incorrectly on Google Maps.

[jakeroot]

k, looked at the NJ SLDs to figure out what was off. my previous comments are wrong, although i was correct that at no point is NJ 29 named Sanhican Dr.

what's labeled as Sanhican Dr to the NE of the roundabout/upper left of that sign is E State St, while Sanhican Dr itself begins at NJ 29 and composes the initial southernmost part of NJ 175 (and does not touch this roundabout at all). the two most major components of the intersection are CR 579/Sullivan Way (to the N) and NJ 29 (to the NW/S), with E State St (to the SE) and Mt Vernon Ave (to the W) being the minor components.

this also means that if you were to name this, you wouldn't call it "Sanhican." it also means this mess is labeled quite incorrectly on Google Maps.

According to the LGS at the present-day intersection, it's actually "West State Street", not "East...". But anyways, it appears that Sanhican is actually State, and Lasalle is actually Sanhican (according to the street blades). This confuses me, because indeed, Google Maps has this wrong. But additionally, both Bing Maps and OpenStreetMap label the streets just the same as Google. I can only assume that all three have used the same source which has incorrectly labelled the streets.

[roadfro]

Here's an example of a sign that could be placed at the western leg:

Sign looks great! On small nitpick: roundabout diagrams usually don't show the connection between the entry stem and the circulating roadway just to the left of the entry stem--there would be a gap and an arrowhead on the end. This helps to reinforce that it is a one way circular intersection. (I'm on an iPad right now, otherwise would link to an example.)

[jakeroot]

Sign looks great! On small nitpick: roundabout diagrams usually don't show the connection between the entry stem and the circulating roadway just to the left of the entry stem--there would be a gap and an arrowhead on the end. This helps to reinforce that it is a one way circular intersection. (I'm on an iPad right now, otherwise would link to an example.)

No, I know exactly what you mean. I just forgot to remove it. I've fixed that, changed the street name (and roundabout name), and surrounded the name in black (since it's a junction). Normally I would have added an arrow to the end pointing to the entry leg, but because I have such limited space with the present style diagram, it doesn't quite work. (EDIT 19:39 EDT: Added version with thinner circle)

[dfwmapper]

I'm as sure as I can be without having actual city GIS data that the labeling on Google is correct. State does indeed curve northwards towards Edgewood/Bruce Park, while Sanhican is both NJ 29 west of the intersection as well as the road east that connects to State. First, the numbering of the buildings along the north side of State (like the church) is consistent with the rest of State (1400s), while the numbering along Sanhican starts with the little grocery store as 2, and increases up to 76 (the big apartment building) as you go west. The Sunoco station is 110, the office building next to it is 120, and so on. NJ 175 is also Sanhican for part of its length, changing to River Road where it leaves Trenton, near Afton Avenue. So, that sign probably needs to be changed again to Sanhican Drive - To State Street.

[M3019C LPS20]

These vintage, 1950s G.E. "Streamline" traffic signals are thankfully still in service in Washington Twp. in northern N.J. Great traffic signals of yesteryear.

[odditude]

I'm as sure as I can be without having actual city GIS data that the labeling on Google is correct.

Given that I actually live in the area, drive through this intersection on a weekly basis and see the sign blades, and have confirmed with the SLDs, I'm as sure as I can be that Google is wrong.

According to the LGS at the present-day intersection, it's actually "West State Street", not "East...".

yep, typo on my part. thanks!

[Zeffy]

Looking at the closest thing I could find to Trenton's GIS data, I found that this is the road marked as "Sanhican Drive":



You can look for yourself by going to here and using the "internet dataviewing" link. WARNING: It ONLY works in Internet Explorer with compatibility settings enabled on the web page.

And this could help a bit, but given it's angle, I'm not sure what to make of it.

[dfwmapper]

Looking at the closest thing I could find to Trenton's GIS data, I found that this is the road marked as "Sanhican Drive":

Which agrees with Google, and what I said.

And this could help a bit, but given it's angle, I'm not sure what to make of it.

Also seems to agree, if you look at it from a less distorted angle. Try http://goo.gl/maps/wFMr2.

NJ's data is clearly wrong. Either that or a bunch of businesses have addresses on a street that doesn't exist. Someone should probably tell them.

[jeffandnicole]

Looking at the closest thing I could find to Trenton's GIS data, I found that this is the road marked as "Sanhican Drive":

Which agrees with Google, and what I said.

And this could help a bit, but given it's angle, I'm not sure what to make of it.

Also seems to agree, if you look at it from a less distorted angle. Try http://goo.gl/maps/wFMr2.

NJ's data is clearly wrong. Either that or a bunch of businesses have addresses on a street that doesn't exist. Someone should probably tell them.

Do state politicians and political donors own those businesses?  They may be 'legit' after all.  They even file income taxes, showing massive amounts of losses every year!

[odditude]

Looking at the closest thing I could find to Trenton's GIS data, I found that this is the road marked as "Sanhican Drive":

Which agrees with Google, and what I said.

And this could help a bit, but given it's angle, I'm not sure what to make of it.

Also seems to agree, if you look at it from a less distorted angle. Try http://goo.gl/maps/wFMr2.

NJ's data is clearly wrong. Either that or a bunch of businesses have addresses on a street that doesn't exist. Someone should probably tell them.

welp, i stand corrected.

[dfwmapper]

Do state politicians and political donors own those businesses?  They may be 'legit' after all.  They even file income taxes, showing massive amounts of losses every year!

You should ask them at their next meeting at the Legitimate Businessman's Social Club.

[6a]

These vintage, 1950s G.E. "Streamline" traffic signals are thankfully still in service in Washington Twp. in northern N.J. Great traffic signals of yesteryear.

What is the purpose of the little one next to the leftmost signal?

[M3019C LPS20]

These vintage, 1950s G.E. "Streamline" traffic signals are thankfully still in service in Washington Twp. in northern N.J. Great traffic signals of yesteryear.

What is the purpose of the little one next to the leftmost signal?

It serves primarily as a protected left turn signal.

The design of the G.E. "Streamline" was unique in its own way, and, therefore, it was impossible to attach an entirely different traffic signal brand to one. So, this explains why the individual traffic signal section is suspended on its own.

[cl94]

I found this assembly in Buffalo, New York earlier this week:


It's on Ohio Street at the lift bridge over the Buffalo River, facing southbound. Trombone arm has a horizontal-mount 8" 3-lens signal with green in the center and 2 reds and there's a 12" 2-lens signal mounted vertically on the pole. An identical setup exists in the opposite direction. At the Michigan Ave bridge shortly downstream, setup is similar, with a standard horizontal arm replacing the trombone arm. The other moveable bridge over the river (South Park Ave) and the 2 Erie Canal crossings within the city feature standard signals. All Buffalo River crossings are city-maintained.

I have never seen anything like this in New York. Judging by some photos I've seen on the forums recently, it looks like Buffalo took a couple of pages out of Wisconsin's design manual for these 2 installations.

[roadman65]

https://www.google.com/maps/@41.481012,-75.687821,3a,75y,22.09h,98.4t/data=!3m4!1e1!3m2!1sHZcozhxhD0kvrGveyhr0Fg!2e0
What is this type of assembly that is commonly used in Pennsylvania called?  If you wondering what I am referring to it is the "almost" doghouse assembly for the left turn signal head here.

[roadfro]

I don't know that it has a name, but it appears to be a variant on the typical 4-section split phasing signal:

R
Y
G
GA

In this case, it appears an existing 3-section display was modified to include the green/green arrow (it's very Frankenstein-ish when you look closely in street view).

[cl94]

I've seen that type of assembly all over the place. There are a couple near Buffalo, notably on NY 324 at I-290 facing the NB exit ramp.

[DrSmith]

Those types of signals are found all over Delaware....like here
https://maps.google.com/maps?ll=39.657778,-75.784378&spn=0.02174,0.090895&t=m&z=14&layer=c&cbll=39.657748,-75.784389&panoid=9k73kEP_pZsh-F8Bme_Tig&cbp=11,309.79,,0,0

[freebrickproductions]

HDOT is currently in the process of hunting down the last inline 4-section signals that aren't FYAs and replacing them with those. I personally like to call them "upside-down T signals" because they look like a T that's upside-down.
They aren't very common in Alabama outside of Huntsville though, I only know of a couple down in Dothan.

[Ian]

https://www.google.com/maps/@41.481012,-75.687821,3a,75y,22.09h,98.4t/data=!3m4!1e1!3m2!1sHZcozhxhD0kvrGveyhr0Fg!2e0
What is this type of assembly that is commonly used in Pennsylvania called?  If you wondering what I am referring to it is the "almost" doghouse assembly for the left turn signal head here.

Not sure what the official term is for that type of signal, but the signal fans like to call it a "Dolly Parton."

[M3019C LPS20]

https://www.google.com/maps/@41.481012,-75.687821,3a,75y,22.09h,98.4t/data=!3m4!1e1!3m2!1sHZcozhxhD0kvrGveyhr0Fg!2e0
What is this type of assembly that is commonly used in Pennsylvania called?  If you wondering what I am referring to it is the "almost" doghouse assembly for the left turn signal head here.

Not sure what the official term is for that type of signal, but the signal fans like to call it a "Dolly Parton."

I concur.

[KEK Inc.]

Why are 8" signals used?  Is it for costs since there's less LEDs.  I have never seen 8" directional arrow signals, so it looks funky on mast-arms when you have 8" through signals and 12" left turn signals, which is a common setup in Seattle.  Since the MUTCD requires two through signals, is that why 8" signals are favored?

Speaking of MUTCD requirements for two through signals, how about a split? 

https://www.google.com/maps/@47.674827,-122.125599,3a,50.1y,96.51h,92.55t/data=!3m4!1e1!3m2!1shpIPEdc66efMSZ92pl6Few!2e0

[Big John]

Why are 8" signals used?  Is it for costs since there's less LEDs.  I have never seen 8" directional arrow signals, so it looks funky on mast-arms when you have 8" through signals and 12" left turn signals, which is a common setup in Seattle.  Since the MUTCD requires two through signals, is that why 8" signals are favored?

Speaking of MUTCD requirements for two through signals, how about a split? 

https://www.google.com/maps/@47.674827,-122.125599,3a,50.1y,96.51h,92.55t/data=!3m4!1e1!3m2!1shpIPEdc66efMSZ92pl6Few!2e0

8" arrows were disallowed by MUTCD a long time ago.  The 2009 MUTCD calls for all 12" signals except for certain situations.