Highway Engineering
Which of the following devices is used to transfer the wagons or locomotives to and from parallel tracks without any necessity of shunting ?

turntable
scotch block
triangle
traverser

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Highway Engineering
A traffic rotary is justified where

when traffic volume is less than 500 vehicles per hour
number of intersecting roads is between 4 and 7
when traffic volume is more than 5000 vehicles per hour
space is limited and costly

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