Is it permissible to work as a taxi driver when passengers request to stop near bars selling alcoholic beverages or to go to nightclubs?

It is not permissible for a driver to stop at a liquor seller so that a passenger can make a purchase, nor is it permissible for him to transport passengers to prohibited entertainment venues. This is in accordance with the Almighty's saying: "And cooperate in righteousness and piety, but do not cooperate in sin and aggression."