In Driver press 3
1 cab interior
2 tracking
3 trackside cameras
4 freeroam
In surveyor place camera from looking straight down, @ 10 m from the tracks ... Using the arrow KB keys, slam the camera down to the ground, zoo in all the way ... Tap the page down/up KB key to zoom out one click ... tap the up /down arrow key one click to raise the camera @ 10m high, looking slightly down ... hit any surveyor button to set and lock the camera into position