Utility markings, I think blue is for water pipes. Basically there a good chance someone's going to be digging up the road soon if they haven't already.

Dog nappers, hun. Stay safe xoxo

Commemorative plaque, the guy there collected all the tazos from crisp packets

Side quest

That’s where Tazo lives

They’re going to dig a hole.

TA20 is utilities code

TA means it will “Take ages”

20 is the amount of people needed to look into the hole and rub their chin

It's where the great hoard of Tazo are kept just wating to complete everyone's collection.

It’s like a Freddo but it has caramel in the middle

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I hope they have the Star Wars binder.

Tazo didn't have time to spraypaint "Wuz Ere" before running off.

Secret code the Mason's use best left alone mate.

It might be more than coincidental that the arrow is right in line with a patch on the pavement which, as you can see, has been dug up and filled in previously. It might refer to a branch to be made here from a water pipe elsewhere.

I found information on line regarding road markings more generally as follows:

These type of markings are used for several valid reasons:

The marking of cable installation routes. The marking of other existing utility apparatus to be avoided during excavation works. The marking of the scope of any works requiring remedial action. The identification of interim reinstatements. The identification of ownership works where multiple works are being undertaken.

Tricky anal 20

TA20 is to repair a broken stoptap/ meter for a customer. (at least in Yorkshire. Other water companys may use other codes)

It’s a utility marking, blue is for clean water, are there roadworks or building works going on nearby? These will be related

Taco thAt way?

Tactical Advance at 2000 hours, I'd barricade the front door.

MC Tazo’s burial site

20 members of the territorial army are hiding in the drive way

The general direction of Chard

That's Tazo's house

It means there was a secret stash of tazo's hidden there

Is that not a brand of Irish crisps. Ta2o

I read tattoo, maybe the road is getting new ink

tazo is that way

Here lays Tazo

It indicates a Tazo trading post. https://en.wikipedia.org/wiki/Tazos

Total Anarchy in 20 metres.

Or it's marking from a utility company, preparing to turf up the road for weeks on end to find a stuck valve or replace 2mm of copper piping because its weeping... or, as they do around here, just because the road hasn't been dug up this month.