This signal is located on the busy Union Pacific Hoxie Sub through Bald Knob, Arkansas (about an hours drive north of Little Rock in north Arkansas). It's just south of the renovated Bald Knob depot. I'd like to find out how rare these bridge signals are and, in particular, the round, 3-lens system to the right. UP has been tearing these old bridge signals down north of here, but so far have not done anything with this one. Can anybody tell me the dates these were put in on this former Missouri Pacific line?

I received one reply regarding the 'round' signal: "Regarding the Signal Bridge and "Round Signal" at Bald Knob.  Due to the shadow on the round signal it is difficult to tell, but this appears to be one of the old signal heads with three lenses arranged in a triangle. These were made by General Railway Signal and were used by MoPac, I.C. and a very few other roads.  If this is the case, it is likely one of the last still in service." Any corrections or more details on this?

In the photos below, I lightened up the images a lot so I could see the 3 lenses in the round signal. (Just for your information, Amtrak's Texas Eagles pass this signal every night, the northbound St Louis to Chicago train about 1 a.m. and the southbound Little Rock to Dallas train about 1:30 a.m., sometimes passing here).

Any help would be appreciated.

Ken Ziegenbein


Image lightened up.

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