Horizontal+Circulation

= = Horizontal and Vertical Circulation

**What are the four practical requirements of any horizontal circulation system mentioned in the lecture?**

First, Adequate in size. Second, the directness. Third, points of converge in traffic must be expressed. Fourth, changes in levels must be cleary expressed.

Prof. Watanabe to illustrate different horizontal circulation patterns? **
 * What are the three examples (names of buildings) mentioned by

//**Pennsylvania Station in New York (or Penn Station)**//


 * //Palace of Justice in Paris//**

In architectural In Urban planing
 * //The Centrosoyus Building in Moscow//**.
 * Why is the concept of Horizontal Circulation important in any urban plan or architectural design? **

Circulation is important because it gives meaning and coherence to the structure, and as said Prof. Watanabe: Circulation determines the basic shape and character of the structure, besides knowing where something begins and ends helps to give harmony and flow to the structure. Circulation establishes the relationshio between the parts and the wholes, it gives clarity to the building, and it has a functional value as well as an aesthetic value.