This is an HTML version of an attachment to the Freedom of Information request 'Valley Gardens - Journey Time Disbenefits'.

Opening Year
2021
AM 
PM Interpeak
Nights Saturday
Sunday
DM Demand in Period
23,591
22,659
DM Total flow in Period
22,240
20,416
DM Latent Demand
0
470
DM Delay per vehicle (processed Vehicle) - seconds
247.6
348.3
DM Queue Delay per vehicle  (unprocessed vehicle) 
273.4
392.9
DM Total Delay per vehicle - seconds
247.6
349.3
OPT1 Demand in Period
23,558
22,663
OPT1 Total Flow in Period
22,162
20,125
OPT1 Latent Demand
0
530
OPT1 Delay per vehicle (processed Vehicle) - seconds
247.3
404.0
OPT1 Queue Delay per vehicle  (unprocessed vehicle) 
273.9
454.4
OPT1 Total Delay per vehicle - seconds
247.3
405.1
Time saved / vehicle seconds
0.4
-55.9
0
Hour per day in which savings occur
1
1
10
12
12
12
Assessed days per Annum
260
260
260
364
52
52
Average flow
23,575
22,661
0
0
0
0
Average flow per day which receive benefits
33,025 vehicles
Average journey time benefits per day - minutes
-0.45 minutes
Total time saved in year 2021
-90,769 hours
Unit time in opening year 2021 (in 2010 prices)
1,372 pence
Total journey time saving in opening year
-1,245,542 £ per year
Assessment Year
2051
AM 
PM Interpeak
Nights Saturday
Sunday
DM Demand in Period
23,591
22,659
DM Total flow in Period
22,240
20,416
DM Latent Demand
0
470
DM Delay per vehicle (processed Vehicle) - seconds
247.6
348.3
DM Queue Delay per vehicle  (unprocessed vehicle) - seconds
273.4
392.9
DM Total Delay per vehicle - seconds
247.6
349.3
OPT1 Demand in Period
23,558
22,663
OPT1 Total Flow in Period
22,162
20,125
OPT1 Latent Demand
0
530
OPT1 Delay per vehicle (processed Vehicle) - seconds
247.3
404.0
OPT1 Queue Delay per vehicle  (unprocessed vehicle) 
273.9
454.4
OPT1 Total Delay per vehicle - seconds
247.3
405.1
Time saved / vehicle seconds
0.4
-55.9
0
Hour per day in which savings occur
1
1
Assessed days per Annum
260
260
260
364
52
52
Average flow
23,575
22,661
0
0
0
0
Average flow per day which receive benefits
33,025 vehicles
Average journey time benefits per day - minutes
-0.45 minutes
Total time saved in year 2051
-90,769 hours
Unit time in opening year 2021 (in 2010 prices)
1,372 pence
Total journey time saving in opening year
-1,245,542 £ per year
Assessment year
20 years
Journey time benefits over assessment period
-£25,611,154 £ in 2010 market prices
Journey time benefits over assessment period 
discounted to 2010
-£17,041,524 £ in 2010 market prices
DM Construction Cost
£0
OPT1 Construction Cost
£7,840,000 2018 Q2
Net Construction Cost
£7,840,000
PRI Factor to 2010
0.786614011
Net Construction Cost
£6,167,053.85 2010 Prices
NOTE deducts £130k for events income
Market Price Factor
1.209
Net Market Cost
£7,455,968 2010 value at Market Prices
Discounted Benefit
-£17,041,524 £ in 2010 market prices discounted to 2010
Discounted Cost
£6,724,856 £ in 2010 market prices discounted to 2010

Opening Year
2021
AM 
PM Interpeak
Nights Saturday
Sunday
DM Demand in Period
23,591
22,659
DM Total flow in Period
22,240
20,416
DM Latent Demand
0
470
DM Delay per vehicle (processed Vehicle) - seconds
247.6
348.3
DM Queue Delay per vehicle  (unprocessed vehicle) 
273.4
392.9
DM Total Delay per vehicle - seconds
247.6
349.3
OPT2 Demand in Period
23,550
22,639
OPT2 Total Flow in Period
21,175
16,946
OPT2 Latent Demand
294
1,677
OPT2 Delay per vehicle (processed Vehicle) - seconds
307.8
606.9
OPT2 Queue Delay per vehicle  (unprocessed vehicle) 
353.1
720.0
OPT2 Total Delay per vehicle - seconds
308.3
615.3
Time saved / vehicle seconds
-60.7
-266.0
0
Hour per day in which savings occur
1
1
10
12
12
12
Assessed days per Annum
260
260
260
364
52
52
Average flow
23,571
22,649
0
0
0
0
Average flow per day which receive benefits
33,014 vehicles
Average journey time benefits per day - minutes
-2.69 minutes
Total time saved in year 2021
-538,409 hours
Unit time in opening year 2021 (in 2010 prices)
1,372 pence
Total journey time saving in opening year
-7,388,135 £ per year
Assessment Year
2051
AM 
PM Interpeak
Nights Saturday
Sunday
DM Demand in Period
23,591
22,659
DM Total flow in Period
22,240
20,416
DM Latent Demand
0
470
DM Delay per vehicle (processed Vehicle) - seconds
247.6
348.3
DM Queue Delay per vehicle  (unprocessed vehicle) - seconds
273.4
392.9
DM Total Delay per vehicle - seconds
247.6
349.3
OPT2 Demand in Period
23,550
22,639
OPT2 Total Flow in Period
21,175
16,946
OPT2 Latent Demand
294
1,677
OPT2 Delay per vehicle (processed Vehicle) - seconds
307.8
606.9
OPT2 Queue Delay per vehicle  (unprocessed vehicle) 
353.1
720.0
OPT2 Total Delay per vehicle - seconds
308.3
615.3
Time saved / vehicle seconds
-60.7
-266.0
0
Hour per day in which savings occur
1
1
Assessed days per Annum
260
260
260
364
52
52
Average flow
23,571
22,649
0
0
0
0
Average flow per day which receive benefits
33,014 vehicles
Average journey time benefits per day - minutes
-2.69 minutes
Total time saved in year 2051
-538,409 hours
Unit time in opening year 2021 (in 2010 prices)
1,372 pence
Total journey time saving in opening year
-7,388,135 £ per year
Assessment year
20 years
Journey time benefits over assessment period
-£151,916,761 £ in 2010 market prices
Journey time benefits over assessment period
discounted to 2010
-£101,084,596 £ in 2010 market prices
DM Construction Cost
£0
OPT2 Construction Cost
£6,943,000 2018 Q2
Net Construction Cost
£6,943,000
PRI Factor to 2010
0.786614011
Net Construction Cost
£5,461,461 2010 Prices
Market Price Factor
1.209
Net Market Cost
£6,602,906 2010 value at Market Prices
Discounted Benefit
-£101,084,596 £ in 2010 market prices discounted to 2010
Discounted Cost
£5,955,443 £ in 2010 market prices discounted to 2010

Opening Year
2021
AM 
PM Interpeak
Nights Saturday
Sunday
DM Demand in Period
23,591
22,659
DM Total flow in Period
22,240
20,416
DM Latent Demand
0
470
DM Delay per vehicle (processed Vehicle) - seconds
247.6
348.3
DM Queue Delay per vehicle  (unprocessed vehicle) 
273.4
392.9
DM Total Delay per vehicle - seconds
247.6
349.3
OPT3 Demand in Period
23,543
22,652
OPT3 Total Flow in Period
22,046
20,068
OPT3 Latent Demand
33
618
OPT3 Delay per vehicle (processed Vehicle) - seconds
258.0
409.8
OPT3 Queue Delay per vehicle  (unprocessed vehicle) - seco
2 n
8 d
6 s
.6
461.1
OPT3 Total Delay per vehicle - seconds
258.1
411.2
Time saved / vehicle seconds
-10.4
-61.9
0
Hour per day in which savings occur
1
1
10
12
12
12
Assessed days per Annum
260
260
260
364
52
52
Average flow
23,567
22,656
0
0
0
0
Average flow per day which receive benefits
33,016 vehicles
Average journey time benefits per day - minutes
-0.59 minutes
Total time saved in year 2021
-119,057 hours
Unit time in opening year 2021 (in 2010 prices)
1,372 pence
Total journey time saving in opening year
-1,633,727 £ per year
Assessment Year
2051
AM 
PM Interpeak
Nights Saturday
Sunday
DM Demand in Period
23,591
22,659
DM Total flow in Period
22,240
20,416
DM Latent Demand
0
470
DM Delay per vehicle (processed Vehicle) - seconds
248
348
DM Queue Delay per vehicle  (unprocessed vehicle) - second
2 s
73.4
392.9
DM Total Delay per vehicle - seconds
247.6
349.3
OPT3 Demand in Period
23,543
22,652
OPT3 Total Flow in Period
22,046
20,068
OPT3 Latent Demand
33
618
OPT3 Delay per vehicle (processed Vehicle) - seconds
258
410
OPT3 Queue Delay per vehicle  (unprocessed vehicle) - seconds
286.6
461.1
OPT3 Total Delay per vehicle - seconds
258.1
411.2
Time saved / vehicle seconds
-10.4
-61.9
0
Hour per day in which savings occur
1
1
Assessed days per Annum
260
260
260
364
52
52
Average flow
23,567
22,656
0
0
0
0
Average flow per day which receive benefits
33,016 vehicles
Average journey time benefits per day - minutes
-0.59 minutes
Total time saved in year 2051
-119,057 hours
Unit time in opening year 2021 (in 2010 prices)
1,372 pence
Total journey time saving in opening year
-1,633,727 £ per year
Assessment year
20 years
Journey time benefits over assessment period
-£33,593,117 £ in 2010 market prices
Journey time benefits over assessment period
discounted to 2010
-£22,352,680 £ in 2010 market prices
DM Construction Cost
£0
OPT3 Construction Cost
£7,881,000 2018 Q2
Net Construction Cost
£7,881,000
PRI Factor to 2010
0.786614011
Net Construction Cost
£6,199,305 2010 Prices
Market Price Factor
1.209
Net Market Cost
£7,494,960 2010 value at Market Prices
Discounted Benefit
-£22,352,680 £ in 2010 market prices discounted to 2010
Discounted Cost
£6,760,024 £ in 2010 market prices discounted to 2010

Opening Year
2021
AM 
PM Interpeak
Nights Saturday
Sunday
DM Demand in Period
23,591
22,659
DM Total flow in Period
22,240
20,416
DM Latent Demand
0
470
DM Delay per vehicle (processed Vehicle) - seconds
247.6
348.3
DM Queue Delay per vehicle  (unprocessed vehicle) 
273.4
392.9
DM Total Delay per vehicle - seconds
247.6
349.3
OPT4 Demand in Period
23,546
22,665
OPT4 Total Flow in Period
21,999
19,879
OPT4 Latent Demand
16
548
OPT4 Delay per vehicle (processed Vehicle) - seconds
263.6
409.4
OPT4 Queue Delay per vehicle  (unprocessed vehicle) - seco
2 n
9 d
3 s
.2
464.7
OPT4 Total Delay per vehicle - seconds
263.6
410.7
Time saved / vehicle seconds
-16.0
-61.5
0
Hour per day in which savings occur
1
1
10
12
12
12
Assessed days per Annum
260
260
260
364
52
52
Average flow
23,569
22,662
0
0
0
0
Average flow per day which receive benefits
33,022 vehicles
Average journey time benefits per day - minutes
-0.64 minutes
Total time saved in year 2021
-127,822 hours
Unit time in opening year 2021 (in 2010 prices)
1,372 pence
Total journey time saving in opening year
-1,753,995 £ per year
Assessment Year
2051
AM 
PM Interpeak
Nights Saturday
Sunday
DM Demand in Period
23,591
22,659
DM Total flow in Period
22,240
20,416
DM Latent Demand
0
470
DM Delay per vehicle (processed Vehicle) - seconds
248
348
DM Queue Delay per vehicle  (unprocessed vehicle) - second
2 s
73.4
392.9
DM Total Delay per vehicle - seconds
247.6
349.3
OPT4 Demand in Period
23,546
22,665
OPT4 Total Flow in Period
21,999
19,879
OPT4 Latent Demand
16
548
OPT4 Delay per vehicle (processed Vehicle) - seconds
264
409
OPT4 Queue Delay per vehicle  (unprocessed vehicle) - seconds
293.2
464.7
OPT4 Total Delay per vehicle - seconds
263.6
410.7
Time saved / vehicle seconds
-16.0
-61.5
0
Hour per day in which savings occur
1
1
Assessed days per Annum
260
260
260
364
52
52
Average flow
23,569
22,662
0
0
0
0
Average flow per day which receive benefits
33,022 vehicles
Average journey time benefits per day - minutes
-0.64 minutes
Total time saved in year 2051
-127,822 hours
Unit time in opening year 2021 (in 2010 prices)
1,372 pence
Total journey time saving in opening year
-1,753,995 £ per year
Assessment year
20 years
Journey time benefits over assessment period
-£36,066,100 £ in 2010 market prices
Journey time benefits over assessment period
discounted to 2010
-£23,998,189 £ in 2010 market prices
DM Construction Cost
£0
OPT4 Construction Cost
£8,028,000 2018 Q2
Net Construction Cost
£8,028,000
PRI Factor to 2010
0.786614011
Net Construction Cost
£6,314,937 2010 Prices
Market Price Factor
1.209
Net Market Cost
£7,634,759 2010 value at Market Prices
Discounted Benefit
-£23,998,189 £ in 2010 market prices discounted to 2010
Discounted Cost
£6,886,115 £ in 2010 market prices discounted to 2010