Two of them are on none motor vehicle ways, so any router should be able to discern.

https://osmlab.github.io/osm-deep-history/#/way/125481788

This hasn't been a McColls since February.
way/125481788/history

https://my.morrisons.com/storefinder/31463/morrisons-daily-twerton-105-high-street

You appear to be using old data.

Hi
Cloud you use this please.
prow_ref=*

Hi
Please don't add route names to ways.
ways may have multiple named routes on them.
The whole point of route relations was to allow multiple named routes to be attached to ways.

Hi
Why was it vandalism?

There is not requirement to split highways between bus stops. Please refrain form further unnecessary edits.

Hi
There's no requirement for a bus tag when there is already a psv one.

psv=*?uselang=en-GB

Hi
This store has been closed for over a year.
way/198953503

Hi

If the changeset consists of a singular amendment on multiple examples of the same type of object, such as changeset/139821055, then a GB wide changeset is OK, but, as in your case, with different types of amendments it's probably best to split them.

Hi
FYI All railway=stations are already mapped.
way/1197231882

Hi
FYI All railway=stations are already mapped.

way/191154264

Hi
FYI All railway=stations already mapped.
way/492669338

Hi
1. Please try & avoid connecting physical objects to boundaries which in this case is a separate entity.
node/11104712574#map=19/51.39926/-2.37140

2. For reference/validation purposes it's probably best to put edits as separated as Bath & Scotland into two different changesets.

(wait a while for it to load)
https://overpass-api.de/achavi/?changeset=139705263

Hi
Please don't add tags to ways when they're already included in the relation.
way/258215398#map=14/51.3745/-2.3079

As you've not replied, but continued editing I assume you don't have a relevant argument. Please refrain from making unnecessary changes. If you're using a bot/routine to auto check, please amend your code to avoid repetition.

I can see the amendments you made. I wish to know the reasons you made them.

So my original question remains unanswered.

What was the ref of the "one node section of Way: Frome Road (4411939)"?

Struggling to see where "duplicate section of highway." were. Please indicate the relevant refs.

It's a two-lane road with a dashed line. As far as I'm aware there's no rules disallowing it.

OSM is a do-ocricy. Contributors take responsibility & correct their own mistakes.