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          | Sub-problem 3c - Page 1 of 9 | ID# C403C01 |  Sub-problem 3c: 
    The 
    Southwestern Quadrant 
    One of the most 
    interesting spots to study in the I-787 interchange is the southwestern 
    quadrant, where the ramps are all non-standard: 
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      the diverge from Route 7 eastbound  |  |  | 
      
      the split into a collector/distributor road  |  |  | 
      
      the right-hand ramp from Route 7 eastbound to I-787 southbound 
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      the semi-direct ramp from Route 7 westbound to I-787 southbound |  |  | 
      
      the merger of these two ramps with each other and with I-787 southbound |  
    There are many issues 
    regarding these ramps, but we will focus on only the connections between 
    Route 7 eastbound and I-787 southbound and Route 7 westbound and I-787 
    southbound.  Discussion:
  Take 
    a few minutes to consider the layout of these ramps. When you are ready, click 
    continue below to proceed. [ 
    Back ] to Sub-problem 3b [
    Continue ] with 
    Sub-problem 3c |