1.5.4 (unofficial)

• Sign can be rotated in 16 directions (instead of 4)

• All road blocks come with 4 different height: 0.25, 0.5, 0.75 (default), 1 (full cube)
  See crafts and how to make slopes in the readme file.

• Change in the way redstone-controlled traffic lights work (no longer switch on every impulse)

  • powered on = yellow/red
  • powered off = green.

• A few new road signs (English translations not guaranteed)

• Added a config file to disable asphalt generation (untested, hope it works)

• I hope I forgot nothing
  Edit: I did forget something. Sign posts can be used to connect traffic lights (and only traffic lights) to redstone. They are bad conductors, therefore the signal's intensity decreases twice as fast as with redstone powder (it can travel only 8 blocks instead of 16, but it can go up and down easily).

Updating should not break your map, but I suggest you save it anyway before trying.

1.5.3 (unofficial)

Added redstone or command control for traffic lights