Statements (16)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
traffic flow model
|
| gptkbp:assumes |
linear relationship between speed and density
|
| gptkbp:category |
macroscopic traffic flow model
|
| gptkbp:describes |
relationship between traffic flow, speed, and density
|
| gptkbp:form |
u = u_f (1 - k/k_j)
|
| https://www.w3.org/2000/01/rdf-schema#label |
Greenshields model
|
| gptkbp:influenced |
subsequent traffic flow models
|
| gptkbp:proposedBy |
1935
Bruce D. Greenshields |
| gptkbp:usedIn |
traffic engineering
|
| gptkbp:variant |
k (density)
k_j (jam density) u (speed) u_f (free-flow speed) |
| gptkbp:bfsParent |
gptkb:Greenshields_B._D.
|
| gptkbp:bfsLayer |
8
|