The remaining unions that are still negotiating with the freight railroads on a new labor contract are grappling over wages and benefits, while a union coalition’s survey points to broad potential support for a strike. Meetings last week between labor and the freight railroads didn’t lead to any tentative agreement language that the operating crafts could accept, according to a joint statement from the heads of two of the larger rail unions. However, union representatives “remain committed” to negotiations over key issues such as wages, quality of life, attendance and voluntary time off, said Dennis Pierce… and Jeremy Ferguson. …While BLET and SMART-TD were unable last week to reach a tentative agreement with the freight railroads, three smaller unions — the Transportation Communications Union (TCU)/IAM, Brotherhood of Railway Carmen and International Association of Machinists and Aerospace Workers — did.