Properly named Gravelly Hill Interchange, Spaghetti Junction lies on the north side of Birmingham, UK, and links the A5127 (to the North), M6 (to the North West and South East), A38M (into Birmingham), A38 towards Lichfield, and several small roads.

The junction mainly consists of flyovers and sliproads, with only one roundabout in the whole mess, which you don't typically have to use to reach your desired exit road. Therefore the key to successfully navigating the junction is to enter in the correct lane. Lane signs are generally posted in the mile leading up to the junction, and entry in the correct lane should generally lead you straight through the junction with minimum stress.

Rules to help you get by:

  • Know your destination route in advance.
  • Get in lane in good time.
  • If you go wrong, attempt to exit on a small road - this gives you more opportunity to turn around and come back in for another try.
  • Don't panic

Interestingly, unlike its counterpart in Atlanta, Georgia, the Gravelly Hill interchange is not generally clogged with traffic. It flows very smoothly for most of the time; possibly due to the excellent foresight of its designers.

Spaghetti Junction is also a fairly famous intersection in Atlanta, Georgia. I had originally thought some ASCII art might have been appropriate for this situation but the criss-cross of the highways is far too complex and it would just look like a jumble of lines.

The actual name of it is the Tom Moreland Interchange but most people in the Atlanta area wouldn't know what you meant if you asked them about the Tom Moreland Interchange. The following is a list of the highways and roads that are linked at the intersection. I'm only going to list the list ones that have specific exit ramps otherwise this list would go on for quite some time.
  • I-285 East
  • I-285 West
  • I-85 North
  • I-85 South
  • Northcrest Road
  • Pleasantdale Road
  • Buford Highway (US 23)

The primary reason that people in the Northwest suburbs of Atlanta are so familiar with this intersection is the fact that they must pass through it to get to work every day. On top of the resident traffic there is also a large number of people traveling from North Carolina and South Carolina to Atlanta that pass through the intersection. This is also the intersection where big rigs get back onto I-85 after bypassing the city on I-285. All of these factors combine to create a very busy and very confusing intersection. There are only a handful of weekdays every year that you can pass through the intersection at 5 pm and not be stuck in traffic. Those days are national holidays and even then you might still get stuck for a few minutes.

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