November 2021, Vol. 248, No. 11
Features
Highway Traffic and the Effect on Pipelines
By Richard McDonough, U.S. Correspondent When the average American drives down a street and their vehicle hits a pothole – a divot, a dip, a depression – sometimes, after a few choice words, the driver may wonder whether a tire will need to be repaired or replaced, or if their vehicle is now out of alignment. If the rest of the trip goes well, the driver typically forgets about the momentary bump. Few realize that that jolt may have a far greater impact than a flat tire or an alignment repair. On Jan. 27, 1971, explosions rocked West Conshohocken, Pennsylvania. A 16-inch steel pipeline that carried natural gas at 60 psi for the Philadelphia E
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