Google's Driving Directions gadget shows a map & also provides driving directions based on the address of your company's location that you can preset & the starting point specified dynamically by a customer.
It doesn't appear that way, according to this unofficial blog post about the feature, which only mentions 3 suggested routes.
However, there is one method of getting a few more alternate routes, by using the Avoid highways or Avoid tolls options, which are visible when you click on Show options. More info about this feature.
I've noticed that if you have more than two points, it won't offer alternative suggested routes, so make sure you only have two points defined. Similarly, you should avoid dragging the route, as it also removes any suggested routes.
Best Answer
The Google Static Maps Wizard makes it easy to mark a location in a map & embed it in a web page. Google Static Maps API accepts inputs to generate a map through querystring values.
Google's Driving Directions gadget shows a map & also provides driving directions based on the address of your company's location that you can preset & the starting point specified dynamically by a customer.