Speed Requirements for Signal Aspects Speeds commonly associated to signals 2010 2014 JMRI Pete Cressman Suzie Tall 1 2010-03-28 PWC Initial version 1.1 2014-01-10 ST Add new speeds of Sixty and Fifty to accomodate BNSF signal system definition 2 2015-03-20 BJ Clean up, make monotonic (for use with new tests) percentNormal 750 1 120 119 100 90 80 65 50 30 15 10 0 Stop Restricted Normal Normal Medium Limited Restricted Slow