E01. “London Bus.” Flickr, Yahoo!, 15 Mar. 2008, flickr.com/photos/e01/2334039881/.
Adjust your camera’s Aperture: reduce your Aperture. “As you decrease the Aperture by one stop, you decrease the size of the shutter opening by 50%”
Decrease your ISO: a higher number will make it more sensitive to light and a lower number will make the sensor less sensitive. Lower number allows you to choose longer shutter speeds
Use a neutral density filter or a polarizing filter
Try Slow Sync Flash
Panning or moving your camera along with the moving subject
Source for these techniques?