8/5/2023 0 Comments Railroad story device![]() Metrolinx officials will monitor how the device fares in its functionality and maintenance, but the overall noise and vibration should significantly decrease from the installation of this very helpful frog They started working closely with a North American vendor that specialized in railroad technology to develop a custom jump frog for this track.Īfter months of design work and testing, the first North American-produced jump frog for this size of turnout will be installed at a switch by Clarkson GO station this fall. However these did not exist for the larger turnouts used in the heavy rail industry. Through the studies, it was identified that there are mechanical solutions through the use of a specialised flange bearing frog – called a ‘jump frog’ – used for small sized turnouts. They found that traditional solutions of using noise walls or ballast mats would not work in this case and there were no real comparable mechanical devices that met their needs to reduce noise. Train signals and switches are a big part of how trains move safety (Metrolinx photo).Īs this turnout is low use in the diverging route, but has very high frequency of GO service over the straight route, Metrolinx’s rail team started looking at innovative solutions to reduce the noise and even looked for alternative for this turnout. In this case, experts conducted a number of studies, which revealed amplified noise and vibration levels in the Clarkson area, from a track switch for an industrial customer. Metrolinx is working closely with local communities to mitigate impacts from noise and vibration, whenever possible. Members from the Clarkson community, in particular, have voiced their concerns about noise from the rail corridor. Since 2015, service increases on the Lakeshore West line have affected communities residing close to the tracks. The Lakeshore West line is one of the busiest corridors in GO Transit network drawing over 3.9-million riders each year. While the train is switching from one track to another, or just going over a turnout (switch), it produces a loud noise and vibration. The train is diverted to an alternate track, called a diverging route, by the frog and this slows down the train. This operational procedure allows busiest train routes to have continuous and smooth service. They require frequent maintenance in high traffic rail corridors like Lakeshore West.Ī frog is commonly used on rail corridors to divert a train from one track to another when the track being used at that time has high traffic. ![]() These frogs experience regular wear-and-tear as trains use them to switch tracks. (Metrolinx photo)Ī standard railroad frog is a mechanical structure that enables train wheels to cross from one track onto another. Image of a jump frog, which is a piece of track infrastructure.
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