The federal National Marine Fisheries Service has joined critics of the Haines Highway expansion project.

In comments to the state Department of Transportation on the project’s draft environmental assessment dated Aug. 23, the agency’s Juneau office said the project as proposed would have “substantial and permanent” adverse effects on essential fish habitat along the river.

“Currently, 8.3 acres of riverine habitat would be lost due to the placement of fill material into about 7.7 acres…