The 1.1 volts is what I was thinking about too, but I am not sure what is drawing it down so low? I thought maybe the 5 volts was too low for the 4017, but the data sheet says it works on 3 to 15 volts. Nothing seemed obvious or to be out of place on previous checking, but I am re-checking it all now.
The 555 seems to be working as the PCB's led is blinking and adjustable with the trimmer pot.
When I got the PCBs a few days ago I rang out most of the traces on the PCB and they matched the schematic. The only thing I changed were the resistors for the traffic lights themselves, from 470 to 220 ohms, since the 74AC86's can only take 5 volts.