Temporary rail signs
Discussion
The "R" is a reminder to the driver, if he/she has stopped at the platform, that there's a temporary speed restriction up ahead.
The top number is the speed limit, in mph , for train consists of single axle vehicles and the bottom number is the speed limit for bogie axle vehicle consists.
The top number is the speed limit, in mph , for train consists of single axle vehicles and the bottom number is the speed limit for bogie axle vehicle consists.
ZymoTech said:
The "R" is a reminder to the driver, if he/she has stopped at the platform, that there's a temporary speed restriction up ahead.
The top number is the speed limit, in mph , for train consists of single axle vehicles and the bottom number is the speed limit for bogie axle vehicle consists.
Bottom number is for passenger, ECS, light loco or postal trains, regardless of axle configuration. I could do the higher figure when driving a 142/144 DMU. Top number is for all other traffic (freight, tampers etc).The top number is the speed limit, in mph , for train consists of single axle vehicles and the bottom number is the speed limit for bogie axle vehicle consists.
The Reminder boards have to provided when the commencement board for the Emergency/ Temporary speed restriction is over 300yds beyond the end of the platform.
Sort of related question.
When the limit changes does the back end of the train have to pass the sign before the train is allowed to accelerate?
For example, if it is a 6 coach EMU going from a 30 to a 60 does coach 6 have to be clear of the sign before the train can increase speed?
If so, how does the driver know it is okay to accelerate, especially on long freight trains?
When the limit changes does the back end of the train have to pass the sign before the train is allowed to accelerate?
For example, if it is a 6 coach EMU going from a 30 to a 60 does coach 6 have to be clear of the sign before the train can increase speed?
If so, how does the driver know it is okay to accelerate, especially on long freight trains?
Jader1973 said:
Sort of related question.
When the limit changes does the back end of the train have to pass the sign before the train is allowed to accelerate?
For example, if it is a 6 coach EMU going from a 30 to a 60 does coach 6 have to be clear of the sign before the train can increase speed?
If so, how does the driver know it is okay to accelerate, especially on long freight trains?
Yes, in normal circumstances the rear of the train has to pass the 'T' board before accelerating away, but a new system has just come in where an additional 'A' board is mounted next to the 'T'board so the driver can accelerate straight away in order not to cause any delays, there's an example of this just to the west of Arley Tunnel on the Nuneaton to Birmingham line. On the Class 66 locos I drive we have a button to press when passing the 'T' board, the train length (in feet) is already entered into the data recorder and it beeps when the countdown gets to zero, at which point you open up and power away.When the limit changes does the back end of the train have to pass the sign before the train is allowed to accelerate?
For example, if it is a 6 coach EMU going from a 30 to a 60 does coach 6 have to be clear of the sign before the train can increase speed?
If so, how does the driver know it is okay to accelerate, especially on long freight trains?
P5BNij said:
Yes, in normal circumstances the rear of the train has to pass the 'T' board before accelerating away, but a new system has just come in where an additional 'A' board is mounted next to the 'T'board so the driver can accelerate straight away in order not to cause any delays, there's an example of this just to the west of Arley Tunnel on the Nuneaton to Birmingham line. On the Class 66 locos I drive we have a button to press when passing the 'T' board, the train length (in feet) is already entered into the data recorder and it beeps when the countdown gets to zero, at which point you open up and power away.
Interesting, thanks.Does everything have the data recorder system or does the driver have to work it out some other way?
And, would anyone know you’d accelerated early and the back end was doing 35 in a 30?
Jader1973 said:
P5BNij said:
Yes, in normal circumstances the rear of the train has to pass the 'T' board before accelerating away, but a new system has just come in where an additional 'A' board is mounted next to the 'T'board so the driver can accelerate straight away in order not to cause any delays, there's an example of this just to the west of Arley Tunnel on the Nuneaton to Birmingham line. On the Class 66 locos I drive we have a button to press when passing the 'T' board, the train length (in feet) is already entered into the data recorder and it beeps when the countdown gets to zero, at which point you open up and power away.
Interesting, thanks.Does everything have the data recorder system or does the driver have to work it out some other way?
And, would anyone know you’d accelerated early and the back end was doing 35 in a 30?
P5BNij said:
Everything that runs on the mainline has a data recorder these days and it can be downloaded to show exactly how the loco or unit has been driven.
Can you remember when Qtron was first implemented and sold by managers as a system to only ever be used in major incidents?Those same managers now sit at home assessing ‘performance’ in real-time trying to spot major crimes such as notching up too quickly or failing to use the train length switch with a consist of 3 wagons.
A different railway nowadays.
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