Katni Murwara cabin. The two lines seen are going towards NKJ. (Samar)

I pity the LP here- so much to see at the same time! Location is just outside Gooty Jn. (Karan Desai)

All salute! That's what the semaphores seem to say as they await the beast hauling the Rani Chennamma express to Bangalore thunder by! Kyatsandra. 2008-02-01. (Pawan Koppa)

Old Signalling Systems on Akola-Khandwa MG Route. (Chaitanya)

I love these cabins!! The person waving the flag was astonished to see me clicking!! They are not used to IRFCA guys it seems.. :) (Abhishek Gopal)

Though I have seen it many a times but do not know the exact mechanism of this. This looks to be for some counter balancing. Location is Mau Aimma on ALD-FD line. (Samar)

Beautifully lined up semaphores gaurd the entry from Pathankot end at Jammu Tawi. Taken onboard Swaraj Express. (Ankit Bharaj)

Colorful semaphores which have stood the test of time over many, many years stand as mute spectators still performing their duties while as their new age counterparts take over. Location : Shivani, in between Birur and Chikjajur. 2010-02-04. (Pawan Koppa)

Some idea of layout of Ghaziabad including station and yard. (Samar)

Lower Quadrant Semaphore signalling on the Thiruvarur - Karaikkudi MG line. This is the home signal at Adiramapattinam (AMM) station. There is no starter signal for most of the stations on this route. Entry into the station is protected by the Home signal

Webb & Thomson electric staff block instrument. This particular example is not from India, but identical electric staff block instruments were used commonly in India. This particular block instrument is from the National Railway Museum, Port Adelaide,

Upper quadrant semaphore signals in Gujarat. March 11, 2011. (Paul Bigland)

Upper quadrant semaphore signals in Gujarat. March 11, 2011. (Paul Bigland)

Semaphore signal replacement in progress at Surendranagar Jn. March 11, 2011. (Paul Bigland)

Bracket semaphore signal replacement in progress at Surendranagar Jn. March 11, 2011. (Paul Bigland)