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By the 1850s, railroad operating rules, often printed as pamphlets or on the back of a time card, had evolved to near universal application. On April 14, 1887 representatives of 48 railroads voted for the adoption of what is now known as the Standard Code of Operating Rules (SCOR), published by the AAR. Thus, all railroad rule books in North ...
A vertical service code (VSC) is a sequence of digits and the signals star (*) and pound/hash (#) dialed on a telephone keypad or rotary dial to access certain telephone service features. [1] Some vertical service codes require dialing of a telephone number after the code sequence.
The NORAC rules are intended to enhance railroad safety. The rules cover employee responsibilities, signaling equipment, procedures for safe train movement, dealing with accidents and other topics that directly and indirectly affect railroad safety. These rules govern operation on main lines, defined as those with some form of block control system.
The superspeedway track limits (often referred as the "yellow line rule") have been part of considerable criticism and controversies, such as when Regan Smith was stripped of the win at the 2008 AMP Energy 500 following a last-lap pass attempt that went below the line [54] [55] and controversies surrounding the finish of the 2020 YellaWood 500 ...
Systematic conversion of city dial systems commenced to the seven-digit (two-letter-five-number) numbering plan. Central office codes were restricted to the digits 2 to 9 in the middle position, to facilitate machine recognition when an area code was dialed. The same rule already applied to the first digit for technical and historical reasons.
The books from the "main" product line of 4th Edition are split into Core Rules and Supplement books. Unlike third edition of Dungeons & Dragons , which had the core rulebooks released in monthly installments, the 4th editions of the Player's Handbook , Monster Manual , and Dungeon Master's Guide were all released in June 2008.
*74 and 1174 — speed dial, which allows someone to quickly dial any of eight frequently called numbers using a one-digit code, from any phone on their line *75 — allows a total of 30 speed-call numbers with two digits *77 — activates Anonymous Call Rejection Service *82 and 1182 — releases Caller ID block on a call-by-call basis
The Rail Safety and Standards Board (RSSB) is a British independent company limited by guarantee.Interested parties include various rail industry organisations, including Network Rail, train operating companies (TOCs), and rolling stock companies (ROSCOs).