• Reference: 2012/0247
• Question by: Darren Johnson
• Meeting date: 25 January 2012

What is the estimated number of vehicles that will use the proposed Silvertown Crossing every year? What will be the estimated annual impact on vehicles using the existing tunnels at Rotherhithe and Blackwall? Can you provide a breakdown for trips made by Heavy Goods Vehicles?

• Reference: 2012/0246
• Question by: Darren Johnson
• Meeting date: 25 January 2012

The Government have told the European Commission that London still won't have met the European legal limits for air pollution by the time that you hope the Silvertown Crossing will be built in 2022. Will this be a consideration in your environmental assessment of the project and when will you be publishing that assessment?

• Reference: 2012/0245
• Question by: Darren Johnson
• Meeting date: 25 January 2012

Will you make the full business case for the proposed Silvertown crossing available to the public?

• Reference: 2012/0244
• Question by: Darren Johnson
• Meeting date: 25 January 2012

Can you guarantee that no public transport fares income will be used to pay for the Silvertown road crossing?

• Reference: 2012/0243
• Question by: Darren Johnson
• Meeting date: 25 January 2012

Does the £700m cost estimate include the costs of servicing debts or a private finance initiative?

• Reference: 2012/0242
• Question by: Darren Johnson
• Meeting date: 25 January 2012

Are you considering tolling the Blackwall Tunnel or other Thames crossings in order to help pay for the proposed Silvertown Tunnel?

• Reference: 2012/0241
• Question by: Darren Johnson
• Meeting date: 25 January 2012

Are you considering tolling the proposed Silvertown Crossing?

• Reference: 2012/0240
• Question by: Darren Johnson
• Meeting date: 25 January 2012

On the 26th March 2010 you set out a 'London hydrogen action plan' to create a 'hydrogen network' by 2012, aiming to encourage a minimum of a 150 hydrogen-powered vehicles on the road in London by 2012." Are the hydrogen network and the minimum number of vehicles now in place?

• Reference: 2012/0239
• Question by: Darren Johnson
• Meeting date: 25 January 2012

Will you publish open data on all the gritting routes and schedules on the TfL major road network this winter, and encourage boroughs to do the same for their own road networks?

• Reference: 2012/0238
• Question by: Darren Johnson
• Meeting date: 25 January 2012

Thank you for your answer to question 3732/2011. What would you consider to be "an appropriate mix of apprenticeships opportunities" with regard to the mix of ages and skill levels for the GLA group?