The mother of a teenager killed by a lorry on a dangerous stretch of road has joined those calling for safety measures after two more serious collisions in a week.

A charity set up by Naomi Martin, whose 17-year-old daughter Claudia Landa died when she was hit by a lorry in April last year, aims to tackle road safety at the junction on Goat Road, Mitcham.

The renewed campaign comes after a car and a motorbike crashed on Tuesday near the Willow Lane Industrial Estate.

That was exactly a week after a 57-year-old man was taken to hospital with head injuries. He was hit by a lorry in London Road, leading into Carshalton Road.

It is also where 97-year-old Carmen Harrison was seriously injured after being struck by a vehicle in November 2013.

New laws announced by Mayor of London Boris Johnson came into force yesterday after figures revealed seven of the eight cyclists killed in London this year had been involved in a collision with HGVs or goods vehicles.

The rules will cover all London roads except motorways.

Your Local Guardian: Claudia Landa flowers. Copyright: Wimbledon Guardian

A hgv drives past the spot Claudia was killed last year

All HGVs must now be fitted with side guards to prevent cyclists from being dragged underneath, and extra mirrors installed to help drivers spot pedestrians and cyclists on their inside.

A consultation on a new scheme for lorries to be fitted with glass doors to reduce blind spots will begin in January.

Ms Martin said: “It obviously is a dangerous road. I know of three accidents on it, and one resulted in Claudia’s death.

“When we were setting up the charity in Claudia’s name we talked about what we wanted the charity to do, and one of Claudia’s close friends said she wanted an aspect of road safety to be in there.

“People do speed up and down the road which is a problem, but 20 miles per hour speed limits can be quite difficult to get when it isn’t a residential area. On the other hand, enforcing that speed would make a big difference.

“I think it is the traffic that’s the problem. The immediate issue is speeding. That’s about drivers taking responsibility.”

Cricket Green ward Councillor Russell Makin said: “Stuff goes too quickly down there because it’s an open road and the traffic doesn’t take much care.

"I think traffic lights should probably be put in there to make it safer."

Tony Burton, trustee of Mitcham Cricket Green Community Heritage, said it was a difficult junction which can be confusing for both drivers and pedestrians.

He added: “There’s the issue that Merton Council has been very resistant to the implementation of 20 mile per hour zones, and there is good reason to think these have a positive impact on safety.”

Nick Surty works for G Killoughery Ltd on the Willow Lane Industrial Estate, and drives a 32 ton Scania truck. He witnessed the aftermath of the collision between a lorry and the 57-year-old man on August 25.

He said: "There is a blind spot as lorries are pulling out of that junction, as the roads are at an angle.

"There needs to be a crossing there, or even a mini roundabout, so they don’t have to deal with the blind spot.

"I think there should be more road markings and signs. It’s not great.

"Something needs to be done about the road."

The chairman of Friends of Mitcham Common, Melanie Nunzet, said: “When I leave the common I always walk quite a way along to the little island because otherwise it is too dangerous.

“I think a pedestrian crossing wouldn’t make sense there. People need to use the traffic island.

“The speed on the road in both directions makes it dangerous.”

Merton’s cabinet member for environmental sustainability and regeneration, Councillor Andrew Judge, said: "We were very sorry to hear of this latest incident and our thoughts are with the person involved at this time.

"We take the safety of all road users very seriously and, where needed, make the necessary changes to our road network to ensure it is as safe as possible.

"Once the police report comes through, we will know the cause of this accident and, if any change to the highway is recommended, we will work on making those changes."

What do you think needs to be done? Write to letters@wimbledonguardian.co.uk with your views or comment below.