Usually we use the traditional 4 steps model: trip generation, trip distribution, mode choice and traffic assignment.

Dear Kardi,

thanks for your answer.

Mostly four step modeling is used but now a days we work on activity based modeling

Dear Ali,

thanks for your answer. Do you have some example of your model?

Activity based models are very famous , in this models activity of each household and every individuals are considered to predict generation and distribution of travelers and so on .

Dear Ali,

for what purpose you use activity based model? Urban, suburban or regional analysis, some specific mode of transport , for example road or railway? Because this model show micro movement is there any possibility to make some aproximation for longer trips in any type of area for some daily or weakly activity? Did you do it your research for some specific group of population or you did it for general population? I am interested for example about people with disability. Could we do it this model without household data - survey? If you give some comments that will be fine.

Thanks

4 steps model is usually used all over the country. it is easy to use but this model has some disadvantage too.  for this model, we need data for 2% of total population. so that it is too costly in higher population country. there are some model also but those are not easy for their algorithm.