From: Better safe than sorry: a vehicular traffic re-routing based on traffic conditions and public safety issues
τ uv
LOS
Traffic classification
(0,0.15]
A
Free flow
(0.15,0.33]
B
(0.33,0.50]
C
Slight congested
(0.50,0.60]
D
(0.60,0.70]
E
Congested
(0.70,1.00]
F