Discovery of the road, bulldozed by smugglers from April to May, ends logging in the Xesap forest for now.
They believe they might not receive fair compensation for losing their homes and farmland to the project.
So far, officials have completed surveys about the project’s impact in only two villages.
The fund would help Thailand, Myanmar, Vietnam, Laos and Cambodia become more self-sufficient, officials say.
Routine violations include forced disappearances, land grabs, and long prison terms for criticizing the government, rights groups say.
Authorities meanwhile release two villagers, a girl and a boy, from custody while others stand trial.