Include this statement in the FPE file for the object at the end of the orientation section. You can edit them in notepad or notepad++.
forcesimpleobstacle = 3
Save the file. Delete the .dbo file, and reload the map.
Also note that the road thickness, needs to be 5.5cm or less for the AI to detect it can walk on it.
Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz, 2400 Mhz, 4 Core(s), 4 Logical Processor(s), 8gb RAM, Nvidia gtx660, Windows 7 Pro 64bit, Screen resolution 1680 x 1050.
