Algorithm 2: Data categorization by cloud.

Input: List of the request of vehicle L1

Output: L2 and L3 safety and non-safety list of requests.

1.   for $(i=1;i<=\mathrm{length}\mathrm{of}L1;i++)$

2.   if $(L{1}_i=$ (“ambulance”, “hospital emergency”, “police helpline”, “rescue” ))

3.   Assign $L{1}_i=L_2$

4.   else assign $L{1}_i=L_3$

End if

5.   Return L2 and L3

End of for