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Table 2 Simulation parameters
From: A macroscopic traffic model for traffic flow harmonization
Name | Parameter | Value |
|---|---|---|
road step | δx | 1 m |
equilibrium velocity | υ(ρ) | Greenshields velocity distribution |
maximum velocity | υ m | 34 m/s |
time step for the KG, Zhang and proposed models | δt | 0.01 s |
time step for the PW model | δt | 0.006 s |
velocity constant | C 0 | 4.12 s |
safe distance headway | d s | 28 m |
transition distance | d tr | 20 m |
safe time headway | t s | 1.4 s |
safe velocity | υ s | \( \frac{28}{1.4}=20 \) m/s |
normalized maximum density | ρ m | 1 |
total simulation time for the KG and proposed models | t N | 30 s |
total simulation time for the PW model | t N | 3 s |
total simulation time for the Zhang model | t N | 4 s |
flow regulation parameter | B | 1, 2 |
relaxation time constant | Τ | 1 s |
number of time steps for the PW model | N | 500 |
number of time steps for the KG and proposed models | N | 3000 |
number of time steps for the Zhang model | N | 400 |
number of road steps | M | 100 |