This contrib enables multi-modal simulation. For a quickstart, confer to org.matsim.contrib.multimodal.RunMultimodalExample.
Packages 
Package Description
org.matsim.contrib.multimodal  
org.matsim.contrib.multimodal.config  
org.matsim.contrib.multimodal.router.util  
org.matsim.contrib.multimodal.simengine  
org.matsim.contrib.multimodal.tools