Show Rubber Blocks Used to Deaden Sound of Traffic To deaden the sound lOund of at passing traffic trat tic ftc the surface of Whitehall street In 10 London Is now being paved with rubber rubber rub rub- ber blocks The he area covered Is lW 1500 square yards and nd will cost Each block of ot rubber weighs nearly 5 15 pounds and measures mt 8 by 3 Inches The rubber block area la is expected to last half halt a century despite the enormous enormous enor enor- volume of heavy traffic COnst constant constantly ly 11 using the roadway |