To my mother, whose unfailing courage, affection and faith has been a constant inspiration, this volume is dedicated. PREFACE I N this book every point of fact and law in every case arising under the Interstate Commerce Act since the publication of the original "Digest of Decisions Under the Interstate Commerce Act" has been digested in full, including all decisions of the Interstate Commerce Commission (reported and unreported), and of the various United States and state courts. The book is arranged alphabetically, similar to the original Digest, by such subjects as are the ordinary and accepted divisions into which the principles governing interstate traffic would naturally classify themselves. This can best be seen by referring to the Table of Contents, which immediately follows, and which is a reprint of the entire classification. The classification, section numbers and topics in this Supplement, with the exception of the new subjects added, are exactly the same as in the original Digest, so that when the reader finds decisions of interest. in that volume, turn to the same subject and section number in this book, and obtain all subsequent distinctions and variations on that principle. Owing to the rapid development of the law, some new subjects, such as "Pipe Lines," have been added which were not in the original Digest, because at the time of its publication there were not any. Others will be found greatly amplified, such as "Express Companies" and "Weights and Weighing," which have received a great deal of attention since the original Digest was published. It is earnestly suggested that readers of this book study the Table of Contents very carefully. As about five thousand points of traffic law are classified, it can readily be understood that familiarity with the classification is necessary to make the book of the quickest available use. It has been attempted to evolve a logical and careful analysis of the field of traffic law and a classification which affords a birdseye view of the entire subject. Inasmuch as there are many points which may not be logically classified under a particular head, but which may, nevertheless, have V |