To create or edit maps, you must be signed into your Google Account. You do not need to be signed in to view a map. You can also search for maps made by specific users.
You can also use and add additional content in Google Maps. Learn more.
Click My Maps > Create new map. If you want to open an existing map, check it in the left panel and click Edit.
Add a title and description for your map. You can make your map public or unlisted. Learn more.
Use the icons in the the top right corner of the map. These include:
Selection tool. Use this to drag the map and select placemarks, lines, and shapes. Placemark tool. Use this to add placemarks. Learn more. Line tool. Click this button to select a tool to draw lines, shapes, and draw lines that automatically snap to roads. Learn more.
Note that these tools do not appear until you create or edit a map (see step 2).
Once you are finished, click Done.
You can return to your map at any time. Just go to Google Maps and click My Maps. Sign into your Google Account and select the map from your list of maps.