WEDNESDAY. MARCH 23. 1*55 Russian s Give Vishinsky's Post To Kuznetsov LONDON, March 22 (/P) —The Soviet government chose Vasflily V. Kuznetsov today to fill Andrei V. Vishinsky’s old job as a first deputy foreign minister. The announcement, broadcast by the Moscow radio, came fotir moiiths to the day after Vishirisky, 76, died of a heart attack in New York While heading the Soviet delegation to the United Nations. Kudnetsov, one-time Ford Mot or do. worker and ex-chief of the USSR's trade unions, had been a plain deputy foreign'minister. This elevation to rank with An drei Gromyko as a first deputy was one of three high-level pro motions in Foreign Minister V. M. Molotov's bailiwick. Two Others Promoted Humphrey Defends Road Plans WASHINGTON, March 22 (Jt) —Secretary of the Treasury George C. Humphrey defended the administration's vast highway program before critical senators today as sound, responsible and devoid of dishohesty or tricks. Yet on a major point of con troversy, whether the plan ac tually would add billions to the national debt, Humphrey said he would welcome a redefinition of the debt to include the program. The secretary conceded there are objections to the plan. And he said “If somebody has a better one. I’d like to see it go forward.” Members of a Senate Public Works subcommittee, before whom Humphrey testified, indi cated that they think they can come up with something better, particularly on the financing. The big dispute isn’t oyer the idea of building mote and better roads, but over the financing. The administration plan calls for federal government, states and localities to spend 101 bil lions for setting Up a federal cor poration in charge of building a 40,000-mile network of interstate highways. Thirty-year bonds would be is sued to finance the interstate Sys tem and would be paid off, in effect, from taxes on gasoline and motor fuels. Technically these bonds would not be part of the regular public debt. Humphrey said he would not object if Congress .boosted the federal gasoline' tax, which he said would be similar to charging Turnpike Extension Plan HARRISBURG, March 22 {lt) The Senate Highways Committee today approved a plan to author ize construction of an east-west extension of the Pennsylvania Turnpike from Sharon to Strouds burg. The measure, approved by unanimous vote of the commit tee, would mean rejection of a parallel route across the northern tier counties lining the New York border. Industrial Growth HARRISBURG, March 22