Originally Posted by
Eastbay1K
I recall seeing carts in the underground tunnels between 6/5/4 but it has been quite some time. [...] you are best walking, hope for a cart, and sit down or rest as needed, time permitting.
Yes, I found references to those carts from years ago. Not sure whether they still exist. Time is ... not too bad. 13:27 arrival, leaves at 16:10 which means I need to be there by 15:30 which gives me roughly two hours to do the trek.