I'm happy to share with you this free pack of 30 isometric city map elements created by the team at Roundicons...
Isometric Map Generator by design hatti, via Behance
What Are You Working On? 2014 Edition - Page 140 - Polycount Forum
GraphicRiver Isometric 3D Render of Building 2 1177801
Maps of Asia on Behance
Mini Cars by stallfish's art store on @creativemarket