I guess this would qualify as a "wideload" on our highways. Taken on NH46 (see the tag NH46 for more photos of NH46, and this post, To Pondicherry, has some nice photos of NH46 I took in 2009).
I am a big fan of such milestones. On NH46 there is one milestone marker that actually marks the distance to Mumbai (Bombay) as 1000kms. So why don't I have a photo of that? Well, it's a long story. Successive milestone markers don't mention the distance to the same city. See?