Appendix I – Combined Presentation from

Steering Groups B and C

Sheffie

ld A

ir Q

uality

Modellin

g –

LEZ P

hase 1

Ste

ering G

roup M

eetings B

and C

Septe

mber

2012

Agenda

�Pro

ject

Scope a

nd M

eth

odolo

gy

�Pro

gre

ss

�Fle

et

Com

positio

n A

ssum

ptions

�Im

pact

of

Assum

ptions o

n M

odelled A

ir Q

uality

�Com

pari

son o

f M

odelled a

nd O

bserv

ed E

mis

sio

ns

�Analy

sis

of

Contr

ibuto

rs t

o E

mis

sio

ns

�PM

10 a

nd C

arb

on E

mis

sio

ns

Page

2LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Sum

mary

of Pro

ject

Scope a

nd M

eth

odolo

gy

�In

itia

l Analy

sis

of

Base E

mis

sio

ns (

usin

g 2

008 B

ase M

odel)

�Id

entification o

f Key P

roble

m A

reas

�Analy

sis

of

Main

Contr

ibuto

rs t

o E

mis

sio

ns

�D

ata

Collection t

o E

nhance E

mis

sio

ns C

alc

ula

tions

Page

3

�U

pdate

d E

mis

sio

ns C

alc

ula

tions a

nd F

ore

cast

for

2015

�Id

entification o

f Pote

ntial M

easure

s t

o R

educe E

mis

sio

ns

�Action P

lan f

or

Reducin

g E

mis

sio

ns

LEZ

Pha

se 1

Ste

erin

g G

roup

Mee

tings

B A

nd C

| S

epte

mbe

r 20

12

EN

EVAL (

EN

vironm

enta

l EVALuation T

ool)

�Consis

tent

with t

he T

RL’s

2009 R

oad T

raff

ic E

mis

sio

ns F

acto

rs

�U

ses d

eta

iled o

utp

uts

fro

m T

ransport

Models

, in

clu

din

g:

�tr

aff

ic s

peeds (

on a

lin

k-b

y-l

ink b

asis

)

�tr

aff

ic c

om

positio

n (

whic

h a

re t

hen f

urt

her

dis

aggre

gate

d b

y E

uro

Cla

ss)

�Em

issio

ns f

rom

tra

ffic

queuin

g a

t ju

nctions c

an b

e c

alc

ula

ted a

nd r

eport

ed

separa

tely

Page

4

�Can p

redic

t both

curr

ent

and f

ore

cast

em

issio

ns o

f N

OX,

PM

10,

tota

l hydro

carb

ons &

CO

2(e

)

�Part

icula

tes f

rom

tail-p

ipe e

mis

sio

ns a

nd ‘oth

er’ s

ourc

es (

eg b

rakes a

nd

tyre

s)

can b

e e

stim

ate

d s

epara

tely

�Fast

run t

imes c

om

pare

d t

o a

ltern

ative m

eth

ods

�Can e

asily h

andle

very

larg

e n

etw

ork

s

LEZ

Pha

se 1

Ste

erin

g G

roup

Mee

tings

B A

nd C

| S

epte

mbe

r 20

12

Pro

gre

ss t

o D

ate

�Base Y

ear

Model flow

s input

to E

NEVAL s

oft

ware

for

initia

l analy

sis

of

em

issio

ns

�U

K d

efa

ult f

leet

assum

ptions u

sed f

or

initia

l analy

sis

�Em

issio

ns a

nd O

bserv

ed A

ir Q

uality

com

pare

d t

o identify

key p

roble

m a

reas

�In

itia

l Analy

sis

of

Main

Contr

ibuto

rs t

o t

hese e

mis

sio

ns

�Collection o

f D

ata

on F

leet

Com

positio

n,

used t

o u

pdate

modellin

g o

f Base

Year

Em

issio

ns

�Futu

re y

ear

(2015)

model flow

s input

to E

NEVAL t

o a

naly

se f

ore

cast

futu

re

year

em

issio

ns

�Furt

her

analy

sis

of

Contr

ibuto

rs t

o e

mis

sio

ns w

ith t

he u

pdate

d m

odel in

puts

Page

5LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Fle

et

Com

positio

n A

ssum

ptions –

Buses

�SYPTE h

ave c

ollate

d d

ata

fro

m B

us O

pera

tors

for

2008 a

nd C

urr

ent

Fle

ets

�Lik

ely

fle

et

for

2015 e

stim

ate

d t

hro

ugh a

ssum

ed v

ehic

le

repla

cem

ent

str

ate

gie

s

�Splits

by E

uro

Cla

ss c

alc

ula

ted f

or

2008,

2012 a

nd 2

015

�Fin

al vers

ion d

istr

ibute

d t

o O

pera

tors

for

revie

w

�M

odel update

d t

o a

ccept

diffe

rent

fleet

com

positio

ns b

y o

pera

tor

�H

ybri

d r

oute

s m

odelled a

s a

separa

te o

pera

tor

Page

6LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Fle

et

Com

positio

n A

ssum

ptions –

Car/

Fre

ight

�Pro

vid

ed w

ith s

um

mari

sed A

NPR d

ata

for

2007,

inclu

din

g E

uro

splits

by v

ehic

le t

ype

�Sam

ple

of 2012 d

ata

receiv

ed.

Euro

cla

ss c

alc

ula

ted b

y M

VA for

2012 b

ased o

n d

ate

of

vehic

le r

egis

tration

�Euro

split

and P

etr

ol/

Die

sel split

estim

ate

d f

or

2008 a

nd 2

015,

based o

n 2

007 a

nd 2

012 s

am

ple

data

.based o

n 2

007 a

nd 2

012 s

am

ple

data

.

Page

7LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Pre

senta

tion o

f O

bserv

ed a

nd M

odelled A

ir Q

uality

Thro

ughout

this

Pre

senta

tion:

�O

bserv

ed D

ata

is R

ecord

ed A

ir Q

uality

inclu

din

g b

ackgro

und

em

issio

ns a

s w

ell a

s t

raff

ic r

ela

ted e

mis

sio

ns

�M

odelled D

ata

is T

ailpip

e E

mis

sio

ns o

f N

OX

�Backgro

und E

mis

sio

ns a

re n

ot

inclu

ded in M

odelled E

mis

sio

ns

�Backgro

und E

mis

sio

ns a

re n

ot

inclu

ded in M

odelled E

mis

sio

ns

�Colo

ur

codin

g o

f M

odelled E

mis

sio

ns is m

ere

ly t

o h

ighlight

the level

of em

issio

ns a

nd d

oes n

ot

necessari

ly r

ela

te t

o a

reas t

hat

will

exceed t

arg

ets

Page

8LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Observ

ed A

ir Q

uality

Page

9LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Unders

tandin

g t

he I

mpact

of Assum

ptions

Sum

mary

of

2008 a

ssum

ptions in follow

ing p

lots

:

1.

Defa

ult fle

et

com

positio

ns t

aken fro

m D

EFRA T

oolk

it for

Vehic

le

Em

issio

ns. Em

issio

ns F

acto

rs a

re t

aken f

rom

the D

fT w

ebsite (

TRL

Report

PPR353 –

Em

issio

ns F

acto

rs 2

009)

2.

As 1

, but

usin

g S

heff

ield

SYPTE b

us d

ata

3.

As 2

, w

ith u

sin

g e

stim

ate

d S

heff

ield

goods a

nd c

ar

splits

4.

As 3

, usin

g C

OPERT N

Ox

function inste

ad o

f TRL N

Ox

function.

LEZ

Pha

se 1

Ste

erin

g G

roup

Mee

tings

B A

nd C

| S

epte

mbe

r 20

12

1.

Pre

vio

us c

om

parison o

f O

bserv

ed A

ir Q

uality

and M

odelled

Em

issio

ns a

t 2008 (

sta

ndard

inputs

)

Page

11LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

2.

With S

heff

ield

bus fle

et

at

2008

Page

12LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

3.

With S

heff

ield

bus fle

et

and e

stim

ate

d S

heff

ield

car/

freig

ht

split

at

2008

Page

13LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

4.

With S

heff

ield

bus fle

et

and e

stim

ate

d S

heff

ield

car/

freig

ht

split

and C

OPERT N

Oxcalc

ula

tion a

t 2008

Page

14LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Impact

of assum

ptions

In

pu

ts%

Ch

an

ge in

NO

x

Sheff

ield

Bus

-7%

Change in t

ota

l N

Ox

com

pare

d w

ith n

ational assum

ptions f

or

plo

tted a

rea e

xclu

din

g t

he m

oto

rway

Sheff

ield

Bus

-7%

+ Sheff

ield

Fre

ight/

Car

3%

+ C

OPERT N

Ox

14%

Page

15LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

The C

ontr

ibuto

rs t

o E

mis

sio

ns a

t 2008

NO

xEm

issio

ns (

tonnes)

and P

roport

ions in S

heff

ield

by M

odel U

ser

Cla

ss (

exclu

din

g M

oto

rway)

Car

LG

V

OG

V

Bu

s

Nati

on

al

400

(33%

)101.8

(8

%)

337.2

(2

8%

)379.3

(3

2%

)

399.1

101.8

337.6

296.7

Page

16

Sh

eff

ield

Bu

s

399.1

(3

5%

)101.8

(9

%)

337.6

(3

0%

)296.7

(2

6%

)

+ S

heff

ield

Freig

ht/

Car

551.4

(4

3%

)53.9

(4

%)

360.3

(2

9%

)295.7

(2

4%

)

+ C

OP

ER

T N

Ox

652.8

(4

8%

)66.1

(5

%)

339.8

(2

5%

)298

(22%

)

LEZ

Pha

se 1

Ste

erin

g G

roup

Mee

tings

B A

nd C

| S

epte

mbe

r 20

12

Not

e th

at th

roug

hout

this

wor

k LG

V r

elat

es to

goo

ds v

ehic

les

less

than

3.5

to

nnes

, and

OG

V to

goo

ds v

ehic

les

over

3.5

tonn

es.

Impact

of assum

ptions a

t 2008

�U

se o

f lo

cal bus f

leet

splits

results in low

er

NO

Xem

issio

ns

�H

igher

sin

gle

deck p

roport

ions t

han n

ational avera

ge

�U

se o

f Sheff

ield

car

and f

reig

ht

splits

results in incre

ased N

Ox

em

issio

ns

�O

lder

Euro

com

positio

n t

han n

ational avera

ge

�U

se o

f th

e C

OPERT f

unction r

esults in incre

ased N

Oem

issio

ns.

�

Use o

f th

e C

OPERT f

unction r

esults in incre

ased N

Ox

em

issio

ns.

�TRL f

unction is k

now

n t

o u

ndere

stim

ate

NO

xem

issio

ns f

or

car,

part

icula

rly d

iesel engin

es.

�In

each c

ase t

he p

roport

ion o

f N

OX

em

issio

ns f

rom

car

incre

ases

Page

17LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

2015 F

ore

casts

�2015 F

ore

casts

fro

m B

RT N

ort

h w

ork

�Local Low

Gro

wth

fore

casts

�Tra

m-T

rain

and S

upert

ram

additio

nal vehic

les n

ot

inclu

ded

LEZ

Pha

se 1

Ste

erin

g G

roup

Mee

tings

B A

nd C

| S

epte

mbe

r 20

12

Analy

sis

of 2015 F

ore

casts

Thre

e s

ets

of

Assum

ptions u

sed f

or

altern

ative fore

casts

:

1.

Defa

ult

fleet

com

positio

ns

and

TRL

Em

issio

ns

Facto

rs

2.

As

1,

but

with

localSYPTE

bus

data

and

estim

ate

dSheff

ield

car

and

freig

ht

Euro

sta

ndard

splits

.U

se

of

CO

PERT

NO

xfu

nction

inste

ad

of

TRL

NO

xfu

nction.

3.

As

2,

with

2015

petr

ol/

die

sel

splits

for

car

and

freig

ht

based

on

observ

ed

Sheff

ield

data

.

Page

19LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

1.

2008 P

lot

with s

tandard

inputs

LEZ

Pha

se 1

Ste

erin

g G

roup

Mee

tings

B A

nd C

| S

epte

mbe

r 20

12

1.

2015 P

lot

with s

tandard

inputs

Page

21LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

2.

2008 p

lot

with S

heff

ield

bus fle

et

and e

stim

ate

d S

heff

ield

car/

freig

ht

split

and C

OPERT N

Oxcalc

ula

tion Page

22LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

2.

2015 P

lot

with S

heff

ield

bus fle

et

and e

stim

ate

d S

heff

ield

car/

freig

ht

split

and C

OPERT N

Oxcalc

ula

tion Page

23LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

3.

2015 P

lot

with S

heff

ield

bus fle

et

and e

stim

ate

d S

heff

ield

car/

freig

ht

split,

CO

PERT N

Oxcalc

ula

tion a

nd n

ew

Die

sel/

Petr

ol

split

Page

24LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Impact

of assum

ptions

Cha

nge

in to

tal N

Ox

at 2

015

com

pare

d w

ith 2

008

data

for

plot

ted

area

ex

clud

ing

the

mot

orw

ay

In

pu

ts%

Ch

an

ge

in N

Ox

Page

25

in N

Ox

National

-52%

Sheff

ield

Bus/F

reig

ht/

Car

& C

OPERT N

Ox

-38%

+ N

ew

Petr

ol/

Die

sel Split

-30%

LEZ

Pha

se 1

Ste

erin

g G

roup

Mee

tings

B A

nd C

| S

epte

mbe

r 20

12

The C

ontr

ibuto

rs t

o E

mis

sio

ns a

t 2015

NO

xEm

issio

ns (

tonnes)

and P

roport

ions in S

heff

ield

by M

odel U

ser

Cla

ss (

exclu

din

g M

oto

rway)

Car

LG

V

OG

V

Bu

s

Nati

on

al

189.5

(3

3%

)59.6

(1

0%

)141.7

(2

5%

)183.8

(3

2%

)

Page

26

Nati

on

al

(33%

)(1

0%

)(2

5%

)(3

2%

)

Sh

eff

ield

Bu

s/

Freig

ht/

Car

& C

OP

ER

T N

Ox

299.6

(3

5%

)60

(7%

)266.8

(3

2%

)218.1

(2

6%

)

+ N

ew

Die

sel/

Petr

ol

Sp

lit

398.4

(4

2%

)62.6

(7

%)

266.8

(2

8%

)217.4

(2

3%

)

LEZ

Pha

se 1

Ste

erin

g G

roup

Mee

tings

B A

nd C

| S

epte

mbe

r 20

12

The C

ontr

ibuto

rs t

o E

mis

sio

ns

In

pu

tsC

ar

LG

VO

GV

Bu

s

National

-51%

-39%

-57%

-51%

% C

hange f

rom

2008 t

o 2

015 in N

OxEm

issio

ns in S

heff

ield

by

Model U

ser

Cla

ss (

exclu

din

g M

oto

rway)

Sheff

ield

Bus/F

reig

ht/

Car

& C

OPERT N

Ox

-54%

-9%

-21%

-27%

+ N

ew

Die

sel/

Petr

ol Split

-39%

-5%

-21%

-27%

Page

27LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Conclu

sio

ns o

f Im

pact

of Assum

ptions

�Results h

ighlight

the im

port

ance o

f assum

ptions in fore

casting

em

issio

ns:

�Petr

ol/

Die

sel split

of

cars

is p

art

icula

rly im

port

ant

�Fore

cast

NO

Xem

issio

ns b

y v

ehic

le t

ype,

part

icula

rly f

or

die

sels

, has

sig

nific

ant

impact

�O

ther

stu

die

s h

ave h

ighlighte

d t

he im

pact

that

incre

asin

g d

iesel car

pro

port

ions h

ave o

n e

mis

sio

ns

pro

port

ions h

ave o

n e

mis

sio

ns

�O

ther

stu

die

s h

ave s

how

n t

hat

late

r Euro

sta

ndard

s h

ave n

ot

had

the e

xpecte

d im

pact

on N

OX

em

issio

ns,

part

icula

rly for

die

sel cars

Page

28LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Com

parison o

f M

odelled a

nd O

bserv

ed E

mis

sio

ns

�U

ses m

odel fo

recasts

with local fleet

com

positio

n a

ssum

ptions a

nd

use o

f CO

PERT N

Ox

calc

ula

tion

�2011 O

bserv

ed D

ata

als

o c

onsid

ere

d

�N

ote

that

LG

V M

odel Flo

ws a

re s

lightly low

er

than o

bserv

ed c

ounts

in

the M

odelled B

ase Y

ear.

H

ow

ever,

this

will not

impact

sig

nific

antly o

n t

he r

esults p

resente

d.

sig

nific

antly o

n t

he r

esults p

resente

d.

Page

29LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Observ

ed N

Ox

Air Q

uality

at

2008

Page

30LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Observ

ed N

Ox

Air Q

uality

at

2011

Page

31LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Com

parison o

f O

bserv

ed N

Ox

Air Q

uality

at

2008 a

nd M

odelled

NO

xEm

issio

ns a

t 2008

Page

32LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Com

parison o

f O

bserv

ed N

Ox

Air Q

uality

at

2011 a

nd M

odelled

NO

xEm

issio

ns a

t 2008

Page

33LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Com

parison o

f O

bserv

ed N

Ox

Air Q

uality

at

2011 a

nd M

odelled

NO

xEm

issio

ns a

t 2015

Page

34LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Analy

sis

of Contr

ibuto

rs t

o E

mis

sio

ns

�All fore

casts

use local fleet

com

positio

ns

�CO

PERT N

Ox F

unction u

sed in a

ll c

ases

�Analy

sis

of

em

issio

ns o

n k

ey lin

ks in p

roble

m a

reas

Page

35LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Wid

er

Are

a R

esults

NO

xEm

issio

ns (

tonnes)

in S

heff

ield

by M

odel U

ser

Cla

ss (e

xclu

din

g

moto

rway)

All

Car

LG

VO

GV

Bu

s

20

08

1356.6

0652.7

866.1

0339.7

7297.9

5

Page

36LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

20

15

945.2

4398.4

162.6

1266.8

2217.3

9

% C

han

ge

-30.3

%-3

9.0

%-5

.3%

-21.5

%-2

7.0

%

City C

entr

e R

esults A

llC

ar

LG

VO

GV

Bu

s

20

08

192.6

476.9

88.6

432.4

774.5

5

NO

xEm

issio

ns (

tonnes)

in C

ity C

entr

e A

rea b

y M

odel U

ser

Cla

ss

20

15

142.5

3

53.4

78.4

225.9

0

54.7

4

% C

han

ge

-26.0

%-3

0.5

%-2

.5%

-20.2

%-2

6.6

%

Page

37LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

City C

entr

e E

mis

sio

ns a

t 2008

Page

38LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

City C

entr

e E

mis

sio

ns a

t 2015

Page

39LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Pro

port

ions o

n K

ey L

inks –

City C

entr

e

Bus

OG

V

LGV

Car

Bus

OG

V

LGV

Car

Page

40

Wes

t Str

eet

(bet

wee

n R

egen

t St a

nd M

appi

n S

t)A61

(Appro

ach t

o I

nner

Rin

g R

oad)

LEZ

Pha

se 1

Ste

erin

g G

roup

Mee

tings

B A

nd C

| S

epte

mbe

r 20

12

2008

2015

2008

2015

Univ

ers

ity /

Bro

om

hill Corr

idor

Em

issio

ns a

t 2008

Page

41LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Univ

ers

ity /

Bro

om

hill Corr

idor

Em

issio

ns a

t 2015

Page

42LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Pro

port

ions o

n K

ey L

inks –

A57/B

room

hill

Wes

t Str

eet

Bus

OG

V

LGV

Car

Bus

OG

V

LGV

Car

Page

43

A61

Ful

woo

d R

oad

(bet

wee

n M

anch

este

r R

d an

d G

loss

op

Rd)

A57

(Whitham

Rd,

Bro

om

hill)

LEZ

Pha

se 1

Ste

erin

g G

roup

Mee

tings

B A

nd C

| S

epte

mbe

r 20

12

2008

2015

2008

2015

Abbeydale

Road /

London R

oad C

orr

idor

Em

issio

ns a

t 2008

Page

44LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Abbeydale

Road /

London R

oad C

orr

idor

Em

issio

ns a

t 2015

Page

45LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Pro

port

ions o

n K

ey L

inks –

Abbeydale

Road/L

ondon R

oad

Wes

t Str

eet

Bus

OG

V

LGV

Car

Bus

OG

V

LGV

Car

Page

46

A61

Abb

eyda

le R

oad

(South

of

Bro

adfield

Rd)

Cheste

rfie

ld R

oad

(South

of

Little L

ondon R

d)

LEZ

Pha

se 1

Ste

erin

g G

roup

Mee

tings

B A

nd C

| S

epte

mbe

r 20

12

2008

2015

2008

2015

Penis

tone R

oad C

orr

idor

Em

issio

ns a

t 2008 P

age

47LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Penis

tone R

oad C

orr

idor

Em

issio

ns a

t 2015 P

age

48LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Pro

port

ions o

n K

ey L

inks –

Penis

tone R

oad/H

ills

boro

ugh

Bus

OG

V

LGV

Car

Bus

OG

V

LGV

Car

Page

49

Pen

isto

ne R

oad

(Sou

th o

f Bam

fort

h S

t)Langsett

Road

(South

of

Bam

fort

h S

t)

LEZ

Pha

se 1

Ste

erin

g G

roup

Mee

tings

B A

nd C

| S

epte

mbe

r 20

12

2008

2015

2008

2015

Em

issio

ns C

lose t

o t

he M

1 C

orr

idor

at

2008 P

age

50LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Em

issio

ns C

lose t

o t

he M

1 C

orr

idor

at

2015 P

age

51LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Pro

port

ions o

n K

ey L

inks –

M1 C

orr

idor

Bus

OG

V

LGV

Car

Bus

OG

V

LGV

Car

Page

52

M1

Nor

thbo

und

(App

roac

h to

J34

)M

eadow

hall R

oad

(Appro

ach t

o M

1 J

34)

LEZ

Pha

se 1

Ste

erin

g G

roup

Mee

tings

B A

nd C

| S

epte

mbe

r 20

12

2008

2015

Car

2008

2015

Car

Conclu

sio

ns fro

m A

naly

sis

of Contr

ibuto

rs t

o E

mis

sio

ns

�The m

ain

contr

ibuto

rs t

o e

mis

sio

ns v

ary

by a

rea

�LG

V is n

ot

contr

ibuting s

ignific

ant

am

ounts

in a

ny a

rea,

so a

ny

policy a

imed a

t LG

Vs w

ill have little im

pact

�Buses c

ontr

ibuting s

ignific

ant

am

ounts

in t

he C

ity C

entr

e,

thro

ugh

Hills

boro

ugh a

nd o

n A

57/B

room

hill.

�H

GV c

ontr

ibuting s

ignific

ant

am

ounts

tow

ard

s t

he M

1 a

nd o

n

Penis

tone R

oad

�Car

contr

ibuting s

ignific

ant

am

ounts

in a

ll a

reas

Page

53LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

PM

10

and C

arb

on E

mis

sio

ns

�W

e c

urr

ently d

o n

ot

have a

ny o

bserv

ed d

ata

for

PM

10

or

Carb

on

�The p

lots

giv

e a

n indic

ation o

f w

hic

h a

reas h

ave h

igh levels

of

tail

pip

e e

mis

sio

ns.

The r

ange h

as n

ot

been c

alibra

ted a

gain

st

observ

ed

data

.

�The t

able

s s

how

the c

hange (

% a

nd a

bsolu

te)

betw

een 2

008 a

nd

2015 f

or

both

PM

and C

arb

on.

2015 f

or

both

PM

10

and C

arb

on.

Page

54LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

PM

10 E

mis

sio

ns a

t 2008

Page

55LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

PM

10 E

mis

sio

ns a

t 2015

Page

56LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Carb

on E

mis

sio

ns a

t 2008

Page

57LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Carb

on E

mis

sio

ns a

t 2015

Page

58LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Results for

oth

er

Em

issio

ns

PM

10

(to

nn

es)

Carb

on

(to

nn

es

fro

m C

O2)

2008

67.8

787,4

55.0

9

Oth

er

Em

issio

ns in t

he S

heff

ield

Are

a (

exclu

din

g m

oto

rway)

2008

67.8

787,4

55.0

9

2015

62.7

887,1

69.9

6

% C

hange

-7.5

%-0

.3%

Page

59LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012

Sheff

ield

Air Q

uality

Modellin

g

Sheffie

ld C

ity C

ouncil g

rate

fully a

cknow

ledge

the s

upport

pro

vid

ed b

y t

he D

epart

ment

for

Environm

ent

Food a

nd R

ura

l Affairs in a

dvancin

gEnvironm

ent

Food a

nd R

ura

l Affairs in a

dvancin

g

this

im

port

ant

pro

ject

Page

60LE

Z P

hase

1 S

teer

ing

Gro

up M

eetin

gs B

And

C |

Sep

tem

ber

2012