11.4.3. Factors controlling alignment

Try these first

1. 1.

   What is an obligatory point?

   Hint

   Think about significant locations associated with roads.

2. 2.

   Why is traffic flow important in highway alignment?

   Hint

   Consider how people move from one place to another.

3. 3.

   What are obligatory points in highway alignment?

   • Points the highway must avoid
   • Locations where the highway must pass through
   • Both

   Hint

   Think of what would dictate routing decisions.

4. 4.

   True or False: Traffic considerations only affect urban highway alignment.

   • True
   • False

   Hint

   Consider whether traffic plays a role in rural areas as well.

5. 5.

   In a rural area with multiple lakes and an obligation to connect two towns, propose an alignment strategy balancing environmental and economic factors.

   Hint

   Think about balancing routes creatively around obstacles.

6. 6.

   Evaluate how incorporating multiple aspects of design can streamline the alignment of a new highway in a congested urban area. Discuss challenges and benefits.

   Hint

   Consider how urban environments differ from rural in terms of design.