[D]

data 4

see also information 

deadweight 53, 54, 101

deaths, prevented 61-2

decision guidelines 37-9

decision to proceed 6, 32, 38, 42

decision trees 31-2

Department for Transport 59, 62

depreciated replacement cost (DRC) 71

depreciation 21

design flexibility 81

design quality 10, 35, 62-3

Design Quality Indicator (DQI) 35

diminishing marginal utility 24, 65, 101

disability discrimination law 94-6

disamenity impacts 67

discount rate 26-7, 97-100, 102

see also internal rate of return (IRR)

discounted cash flow (DCF), definition 102

discounting 26-8, 56, 101

see also discount rate

discrimination law 94-6

see also equality

displacement 53-4, 53n

definition 53, 102

regeneration projects 55

disposal of property 72

dissemination of results 7, 47

distance decay 65, 65n

distributional analysis 24-5, 91

distributional impacts 9, 91-6

distributional objectives see equality

distributional weights 24, 92-4

see also weighting and scoring

do minimum option

creating options 17

definition 102

in large or complex projects 87

shortlisting 5, 19

do nothing case 47, 53

dual cost analysis 20

dust 67