spaghetti junction

US /spəˈɡet.i ˌdʒʌŋk.ʃən/
UK /spəˈɡet.i ˌdʒʌŋk.ʃən/
"spaghetti junction" picture
1.

a complex and confusing road interchange with many intersecting roads and ramps

:
The new highway interchange is a real spaghetti junction.
I got lost trying to navigate the spaghetti junction downtown.