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National College Credit Recommendation Service

Board of Regents  |  University of the State of New York

Transportation Learning Center | Evaluated Learning Experience

1. Introduction and Overview to Interlockings (106)

2. Inspection and Maintenance of Interlockings (206)
3. Troubleshooting and Repair of Interlockings (306)

Transportation Learning Center, Silver Spring, Maryland, and approved locations.


Course 1, 2 and 3 (combined): 24 hours. 


Course 1, 2 and 3: April 2013 - Present.

Instructional delivery format: 
Traditional classroom model
Learner Outcomes: 

Course 1, 2 and 3: Upon successful completion of the course, students will be able to: define basic interlocking terminology and describe theory of operation and purpose of interlockings; identify the applicable FRA and agency-specific standards related to interlockings and safety guidelines; list nomenclature specific to interlockings; explain basic routing processing; evaluate types of locking circuits and their functions; differentiate between signal and universal interlockings, and inspect and maintain interlockings.


Course 1, 2 and 3: Instruction is offered via classroom through use of study guides, required and supplemental readings, quizzes, lab, required interaction with instructor, and final exams. Topics include: signal control circuits, interlockings, routing processing, and inspection, maintenance and repair of interlockings. 

Credit recommendation: 

Course 1, 2 and 3: In the lower division baccalaureate/associate degree category, 1 semester hour in Railroad Operations, Railroad Electronics, Railroad Engineering, Transportation Management, and Mechanical Systems (5/18). NOTE: Course 1, 2 and 3 must all be completed to receive credit.