Perhaps this is the Highway Code she adheres to…
Highway Code: Amended Rules « The Sometimes Angry…Regarding the real Highway Code she should brush up on rules 148 and 151.
148Safe driving and riding needs concentration.
Avoid distractions when driving or riding such as
loud music (this may mask other sounds)
trying to read maps
inserting a cassette or CD or tuning a radio
arguing with your passengers or other road userseating and drinking
smoking
You MUST NOT smoke in public transport vehicles or in vehicles used for work purposes in certain prescribed circumstances. Separate regulations apply to England, Wales and Scotland.
151In slow-moving traffic. You should
reduce the distance between you and the vehicle ahead to maintain traffic flow
never get so close to the vehicle in front that you cannot stop safely
leave enough space to be able to manoeuvre if the vehicle in front breaks down or an emergency vehicle needs to get past
not change lanes to the left to overtake
allow access into and from side roads, as blocking these will add to congestion
be aware of cyclists and motorcyclists who may be passing on either side