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Quick guide to interchanges:
There are basically two types of interchanges. 'Service Interchanges' and 'System Interchanges'.
Service Interchanges
These interchanges connect a highway to a regular road network. They're the best way to connect your city roads to a highway. However, chosing the right one for the job can be tricky. Unlike system interchanges, most of these interchanges are not free-flow interchanges. This means there usually is one or more intersections with traffic lights present. That said, these types of interchanges are designed to reduce the number of steps these traffic lights have. The traffic lights of a DDI, Milwaukee B and ParClo A4 for instance, only have two steps, while the SPUI has one traffic light with three steps.
Because these interchanges are placed near, or even within your city, the space around them is very valuable. The different types of service interchanges therefore have very different designs, leaving valuable building space on specific sides of these interchanges (the different ParClo interchanges are a good example of this. The number in their names tells you in how many corners/quadrants of the interchanges on-, and off-ramps are present)
The service interchanges in this collection are (if not present, they will be shortly!):
- Cloverleaf Service Interchange (free-flow)
- Diamond Interchange (2 traffic lights with 3 steps per cycle)
- Diverging Diamond Interchange (DDI) (2 traffic lights with 2 steps per cycle)
- Dogbone Interchange (roundabout)
- Dumbbell Interchange (roundabout)
- Milwaukee A (2 traffic lights with 2 steps per cycle)
- Milwaukee B (2 traffic lights with 2 steps per cycle)
- Partial Cloverleaf Interchange (Parclo A2) (2 traffic lights with 3 steps per cycle)
- Partial Cloverleaf Interchange (Parclo A4) (2 traffic lights with 2 steps per cycle)
- Partial Cloverleaf Interchange (Parclo B2) (2 traffic lights with 3 steps per cycle)
- Partial Cloverleaf Interchange (Parclo B4)
- Partial Cloverleaf Interchange (Parclo AB2) (2 traffic lights with 3 steps per cycle)
- Partial Cloverleaf Interchange (Parclo AB4)
- Single Point Urban Interchange (SPUI) (one traffic light with 3 steps per cycle)
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发表于 2022-3-14 19:50
