Amalgamated Transit Union, Division 1384 and the Amalgamated Council of Greyhound Divisions, Afl-Cio, and v. Greyhound Lines, Inc., a Corporation, And

Appellant Greyhound Lines, Inc. (Greyhound) appeals the issuance of a preliminary injunction under § 301 of the Labor Management Relations Act (LMRA), 29 U.S.C. § 185 , on behalf of the Amalgamated Transit Union, Division 1384, AFL-CIO, and the Amalgamated Council of Greyhound Divisions, AFL-CIO (Union). We affirm.

Greyhound notified the Union on April 17, 1975 that effective June 25, 1975 it planned to change the work cycles of bus drivers operating the Vancouver-Seattle and Seattle-Portland runs from their existing cycles of six days on, three days off, and four days on, three days off, respectively, to a straight weekly regimen of five days on and two days off. The Union objected, arguing that such a change could not be made unilaterally under the terms of the collective bargaining agreement (agreement). Greyhound responded that its action was authorized. On May 22, 1975 the Union requested, in writing, immediate arbitration and maintenance of the status quo pending arbitration. Greyhound agreed to immediate arbitration but refused to refrain from making the scheduled changes pending arbitration. Rather than proceed to arbitration, the Union petitioned the federal…