Conference Paper An Intersection Dynamic VANET Routing Protocol for a grid scenario

Have a look at this code : https://au.mathworks.com/matlabcentral/fileexchange/11837-fast-and-robust-curve-intersections

https://au.mathworks.com/matlabcentral/fileexchange/8908-curve-intersect-2?focused=5065426&tab=function

this file may be help you

You can check this example involving traffic light change at an intersection https://tetcos.com/pdf/v12.1/Dynamic_Traffic_Light_Control_in_NetSim_VANETs_v12.1.pdf

Check this artical

Abuashour, Ahmad. (2017). An Intersection Dynamic VANET Routing Protocol for a grid scenario.

Try to read

Conference Paper An Intersection Dynamic VANET Routing Protocol for a grid scenario