Here are the complete instructions to install these packages. We only need a single command to install all of these packages.

We can install this on ROS Melodic using the following command:

bash <(wget -q -O - https://bitbucket.org/DataspeedInc/dbw_mkz_ros/raw/default/dbw_mkz/scripts/ros_install.bash) 

You will get other methods of installation from the following link: http://wiki.ros.org/dbw_mkz.

Let's visualize the self-driving car and sensor data.