Unusual sign

I thought I'd seen every sign there was to see in the city, but then I saw this one.  It's not every day you see a 'Trail closed' sign coming out of downtown!  I was a passenger, so no safety rules were broken :-)

F Number	7.1
Lens ID	LUMIX G VARIO 14-45mm F3.5-5.6
Focal Length	45.0 mm (35 mm equivalent: 90.0 mm)
Exposure Time	1/250
Exposure Program	Program AE
ISO	400
Exposure Compensation	0
Flash	Off, Did not fire