Google Map API Direction Triangle Icon Ambiguous

Question

I am using Google Map API V3 to show the vehicle traveled path and its route directions. But by google direction icon, its very hard to find the directions. The image below explain more

and I saw the each icon, it is

source

I found the image path, it is http://www.google.com/intl/en_ALL/mapfiles/dir_0.png for

How to make a good directions icons ?

Answer 1

There are some predefined symbols (e.g. arrows) available in V3 that may be used for an IconSequence.
See http://jsfiddle.net/doktormolle/V3gMT/ for a demo.