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17
May
2019
Technical Reports
Effects of In-Pavement Lights on Driver Compliance with Grade Crossing Safety Equipment
Subject
Accident Reduction,
Grade Crossing Technology,
Highway-Rail Grade Crossing Warning Systems,
Highway-Rail Grade Crossings
Keywords: Highway-rail, grade crossing, pedestrian behavior, trespass, enhancement, safety, in-pavement lights, violations
Abstract: This study examined whether in-pavement lights installed at a single grade crossing would increase the number of drivers who obey grade crossing safety signals.
Report Number
DOT/FRA/ORD-19/10
Office
RDI-23
10
May
2019
Research Results
Determining Bond-Slip Characteristics of Prestressing Tendons with Varying Geometries in Two Concrete Mixtures
Subject
Tracks & Structures
Keywords: Track, ties, concrete, bond-slip, prestressing tendons
Abstract: Untensioned pullout tests were conducted to obtain the bond-slip characteristics of two groups of prestressing tendons used in concrete railroad tie production. The purpose of...
Report Number
RR 19-13
Office
RDI-21
19
Apr
2019
Research Results
Impact of Water on Cracked Concrete Crosstie Service Life
Subject
Tracks & Structures
Keywords: Concrete crossties, water damage, center cracks, cyclic loading
Abstract: To investigate the impact of moisture on crack growth and other tie damage, UIUC researchers subjected pretensioned concrete crossties and small-scale beams to repeated loading...
Report Number
DOT/FRA/ORD-19/11
Office
RDI-21
29
Mar
2019
Technical Reports
2017 Grade Crossing Research Needs Workshop
Subject
Highway-Rail Grade Crossings
Keywords: Railroads, highway railroad grade crossing, research needs, workshop
Abstract: In August of 2017, the Federal Railroad Administration (FRA) held the fourth Highway-Rail Grade Crossing Safety Workshop in St. Louis, MO. The workshop brought together national...
Report Number
DOT/FRA/ORD-19/05
Office
RDI-23
27
Mar
2019
Research Results
Low Ground Clearance Vehicle Detection and Warning
Subject
Grade Crossing Technology,
Highway-Rail Grade Crossings
Keywords: Low Ground Clearance Vehicle Detection System, LGCVDS, grade crossing, hang-up, sensing, interference boundary, active detection and warning
Abstract: Researchers developed and tested a sensor system to measure road surface levels at grade crossings and identify areas where lower-riding vehicles could get stuck.
Report Number
RR 19-07
Office
RDI-22