Possible to embed a route?

On my site I will have a blog that highlights cool places on US Route 1. I would like to have the map highlight Route 1 with a line. Is this possible?

Here is an iframe example of highlighting a route
<iframe src="https://www.google.com/maps/embed?pb=!1m46!1m12!1m3!1d97675.33644030668!2d-75.14532534566509!3d40.010151011254344!2m3!1f0!2f0!3f0!3m2!1i1024!2i768!4f13.1!4m31!3e0!4m3!3m2!1d40.732238599999995!2d-74.0531261!4m3!3m2!1d40.725533999999996!2d-74.1414581!4m5!1s0x89c3c87a6b299b8f%3A0x5653e95e4f20f30c!2s485+US-1%2C+Edison%2C+NJ+08817!3m2!1d40.5050287!2d-74.39828589999999!4m3!3m2!1d40.4719519!2d-74.43099409999999!4m3!3m2!1d40.3298722!2d-74.640182!4m3!3m2!1d40.221627999999995!2d-74.7583665!4m3!3m2!1d40.0196848!2d-75.1479818!5e0!3m2!1sen!2sus!4v1539444959579" width="600" height="450" frameborder="0" style="border:0" allowfullscreen></iframe>