@thomthom said:

That does sound right... hm...
and no errors upon startup?

Nothing, I tried on a different computer that has more or less the same plugins but SketchUp 2014 and with same result no submenu showing.

@thomthom said:

@ash. said:

I do realise this is kind of dead but did it stop working with SU 2015 because I installed it correctly the city generator is displayed in tools but the street generator isn't showing. So I can't do anything.

How did you install Street Generator? To what location?

C:\Users<username>\AppData\Roaming\SketchUp\SketchUp 2015\SketchUp\Plugins I extracted citygen folder and citygen ruby here and the streetgen folder and ruby in the citygen folder. As it should?

@thomthom said:

The image doesn't seem to load for me.

That's weird it's an imgur image. Seems to load fine here: http://i.imgur.com/JXp0Zlw.jpg?1

@thomthom said:

I don't think SU2015 should cause this extension to break. What was the last SketchUp version you used? If you used it on SU2014 I would have expected it to work on SU2015.

Well I must confess this is the first time I'm using this plugin. The city generator shows up in my installed extensions but the street generator does not. Also what's the difference between the extension manager and the plugin manager in The SketchUcation plugin, because in extensions TT_lib² is disabled and in Plugins it's enabled. And I can't seem to activate it in extensions. See screenshot, also for the city generator, this is as far as I can get. Don't get a submenu.

I do realise this is kind of dead but did it stop working with SU 2015 because I installed it correctly the city generator is displayed in tools but the street generator isn't showing. So I can't do anything.

I got tired of waiting and turned to Rhino3D and god it's so much better than Sketchup. But still when SU7 comes out I'll get it, because it works way faster for simple stuff.

Check out this.
http://www.pushpullbar.com/forums/showthread.php?t=6184

You say you're from holland, so you wouldn't mind reading it in Dutch I guess, there's a Dutch and English version of my tutorial available at my forum, you need to register to read the Dutch version, not the English. enjoy.

It explains most of the things to achieve a good result. The basic workflow. Some things might be changed since Maxwell 1.7 but not that much.