lead rail

lead rail

[′lēd ‚rāl]
(civil engineering)
In an ordinary rail switch, the turnout rail lying between the rails of the main track.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The day went remarkably well with no fallers at all over obstacles but I counted my chickens a little too soon when Brian Toomey's mount in the National Hunt Flat Race ran out through the lead rail going away from the stands.