Tracks are formed from a 30 by 30 grid of squares. Each square may contain one of 19 blocks of terrain, and depending on the block of terrain, may have an element of track upon it. As noted by Riebisch & Nagelholz, a terrain editor can be brought up in Sports 4d Driving by pressing SHIFT+F1.

Offset	Length	Description
0	900	The terrain layout. This is ordered left to right, bottom to top. The possible values, the icons displayed in the Sports 4d Driving editor and a small description are : Value Icon Description 0 A flat piece of land, at sea level. 1 A square of water. 2 An element of coast, with land on the right, water on the left, and a top left to bottom right division. 3 An element of coast, with land on the left, water on the right, and a top right to bottom left division. 4 An element of coast, with land on the left, water on the right, and a top left to bottom right division. 5 An element of coast, with land on the right, water on the left, and a top right to bottom left division. 6 A flat piece of land, at an elevated level. 7 A horizontal slope, with the low end at the bottom. 8 A vertical slope, with the low end on the right. 9 A horizontal slope, with the low end at the top. 10 A vertical slope, with the low end on the left. 11 A diagonal slope with three corners at sea level, the one in the top left being instead elevated. 12 A diagonal slope with three corners at sea level, the one in the bottom left being instead elevated. 13 A diagonal slope with three corners at sea level, the one in the bottom right being instead elevated. 14 A diagonal slope with three corners at sea level, the one in the top right being instead elevated. 15 A diagonal slope with three corners elevated, the one in the bottom right being instead at sea level. 16 A diagonal slope with three corners elevated, the one in the top right being instead at sea level. 17 A diagonal slope with three corners elevated, the one in the top left being instead at sea level. 18 A diagonal slope with three corners elevated, the one in the bottom left being instead at sea level.
900	1	Environment type. With one of these values : 0 - Desert 1 - Tropical 2 - Alpine 3 - City 4 - Country
901	900	Track layout. Unlike the terrain layout, this is ordered left to right, top to bottom. Also unlike the terrain layout, some track elements may take up multiple squares. The full possibilities for this section are still being researched, but these are known to date : Value Icon Description 0x04 A vertical piece of road. 0x05 A horizontal piece of road. 0x06 A tight corner connecting the bottom of a square to the right. 0x07 A tight corner connecting the bottom of a square to the left. 0x08 A tight corner connecting the top of a square to the right. 0x09 A tight corner connecting the top of a square to the left. 0x4a A cross road. 0x0a* A corner connecting the bottom of a four square area to the right. 0x0b* A corner connecting the bottom of a four square area to the left. 0x0c* A corner connecting the top of a four square area to the right. 0x0d* A corner connecting the top of a four square area to the left. 0x0e A vertical piece of road. 0x0f A horizontal piece of road. 0x10 A tight corner connecting the bottom of a square to the right. 0x11 A tight corner connecting the bottom of a square to the left. 0x12 A tight corner connecting the top of a square to the right. 0x13 A tight corner connecting the top of a square to the left. 0x7d A cross road. 0x14* A corner connecting the bottom of a four square area to the right. 0x15* A corner connecting the bottom of a four square area to the left. 0x16* A corner connecting the top of a four square area to the right. 0x17* A corner connecting the top of a four square area to the left. 0x018 A vertical piece of road. 0x019 A horizontal piece of road. 0x1a A tight corner connecting the bottom of a square to the right. 0x1b A tight corner connecting the bottom of a square to the left. 0x1c A tight corner connecting the top of a square to the right. 0x1d A tight corner connecting the top of a square to the left. 0x8a A cross road. 0x1e* A corner connecting the bottom of a four square area to the right. 0x1f* A corner connecting the bottom of a four square area to the left. 0x20* A corner connecting the top of a four square area to the right. 0x21* A corner connecting the top of a four square area to the left. 0xb4 A start/finish line from which the player should drive rightward. 0x69* A raised corner connecting the bottom of a square to the right. 0x70* A raised corner connecting the bottom of a square to the left. 0x71* A raised corner connecting the top of a square to the right. 0x72* A raised corner connecting the top of a square to the left. 0x24 A raised ramp, connecting to a rightward raised section. 0x25 A raised ramp, connecting to a leftward raised section. 0x26 A raised ramp, connecting to an upward raised section. 0x27 A raised ramp, connecting to a downward raised section. 0x38 A bridge, connecting to a rightward raised section. 0x39 A bridge, connecting to a leftward raised section. 0x3a A bridge, connecting to an upward raised section. 0x3b A bridge, connecting to a downward raised section. 0x5f A solid ramp, connecting to a rightward raised section. 0x60 A solid ramp, connecting to a leftward raised section. 0x61 A solid ramp, connecting to an upward raised section. 0x62 A solid ramp, connecting to a downward raised section. 0x63 A vertical section of solid road. 0x64 A horizontal section of solid road. 0x68 A vertical section of elevated span. 0x67 A horizontal section of elevated span. 0x22 A vertical section of raised road. 0x23 A horizontal section of raised road. 0x66 A vertical section of elevated span above a horizontal road section. 0x65 A horizontal section of elevated span above a vertical road section. *Items which take up four grid squares have their value in the top left square and the other squares are given values as : ???? 0xff 0xfe 0xfd
1801	1	Pad byte, value unimportant. Ignored by Stunt Mania, possibly required by Sports 4d Driving.