In: Civil Engineering
A transportation engineer collected the data shown in the Table below. Develop a linear v-k model, and then establish v-q and q-k relationships. Draw v-k, v-q and q-k diagrams and depict all of the critical values (i.e., free-flow speed, jam density, maximum traffic flow, critical speed and density) in the three diagrams
| 
 Observation #  | 
 Average vehicle headway [seconds]  | 
 Space mean speed [km/h]  | 
| 
 1  | 
 8.67  | 
 83  | 
| 
 2  | 
 2.67  | 
 54  | 
| 
 3  | 
 2.11  | 
 57  | 
| 
 4  | 
 2.39  | 
 35  | 
| 
 5  | 
 1.68  | 
 33  | 
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