I am new to this concept. Can anyone give me an example and ideas for google map plotting?

In a google map, I want to show all the trucks based on latitude and longitude of the trucks.

After showing all the trucks,I want to see a particular truck`s report like inwhich place that truck started(Source place) , what are the places it covered and finally the destination place(current place of that truck). How to do this plotting?

Look at Leaflet a simple JavaScript Mapping api ([http://leafletjs.com] Using JavaScript you can read a text file or JSON file and plot points on the map, You also have the option of creating a layer control so you can turn on/off different trucks. have each truck as a different symbol or stops as different symbols. It has most of the same functionality but without the Google license issues.