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Research Reports

The following publications are industry related. Only the publications highlighted are available as downloadable documents. Please follow the instructions to download documents which are available electronically, or contact SANRAL to purchase the material or for a referral to the publishers.

RESEARCH REPORTS INDEX
NDOT

Description of abbreviations:

  • SANRAL South African National Roads Agency Limited
  • CSRA Committee of State Road Authorities
  • CUTA Committee of Urban Transport Authorities
  • COLTO Committee of Land Transport Officials
  • COTO Committee of Transport Officials
  • FIDIC Fédération Internationale des Ingénieurs-Conseils
  • RMC Road Material Committee of COTO
  • Sabita South African Bitumen Association
  • SAACE South African Association of Consulting Engineers
  • SAICE South African Institute of Civil Engineers
  • SANS South African National Standards
  • SATCC Southern Africa Transport & Communications Commission
  • TRH Technical Recommendations for Highways
  • TMH Technical Methods for Highways
  • UTG Urban Transport Guidelines
  • LICT Labour Intensive Construction Technology


 

RESEARCH REPORTS

NDOT

No Title Publ Date
RDAC Inventory of Southern African natural road construction materials 1989
RR88/027 Improving mechanistic design of cementitious materials 1993
RR88/029 Subsurface drainage 1993
RR88/032 Recommended durability tests and specification limits for basecourse aggregates for road construction 1990
RR88/039 Opsomming van die aktiewe klei padbodem en opvullings projek 1991
RR88/048 The allocation of public funds to transport infrastructure and services in South Africa:
Allocation techniques and their applicability
1991
RR88/060 Urban Traffic Control A comparison between real (SCOOT) and fixed time control:
A case study in Port Elizabeth
1990
RR88/081 Principles for the planning of activity streets 1991
RR88/082 Grav: An automated tool for sketch planning 1992
RR88/095 The revised K21: Identification and improvement of hazardous locations 1991
RR88/139 The future influence of combi taxis on modal split. Vol. 3: Transferability 1992
RR88/140 Guidelines for the design of combi taxi facilities 1989
RR88/140/2 Management and operation of combi taxi facilities 1991
RR88/142 Guidelines for the choice of appropriate bus priority measures 1991
RR88/205 Deel 1: Geometrie van afstraatse laaigebiede. (Met spesifieke verwysing na Kleinhandel)
Deel 2: Die wenslikheid en impak van beperkings op die aflaai-tye van goederevoertuie in stedelike gebiede
1990
RR88/208 Saturation flow rates at signalized intersections in South Africa 1994
RR88/214 Meganistiese ontwerp om refleksiekrake in deklae te verhoed 1991
RR88/214/1 Mechanistic design to prevent reflection cracks in overlays 1994
RR88/215 The evaluation of performance of rigid pavements in South Africa 1992
RR88/216 Creep and shrinkage deformations in bridges: properties of local aggregates 1991
RR89/016 The use of partial prestressing for road bridges in South Africa 1993
RR89/032 Road maintenance by contract 1992
RR89/40 Ontwerpstandaarde vir horisontale draaie teen steil hellings 1991
RR89/041 Norme vir die regverdiging van geplaveide skouers 1993
RR89/044 Establishing database and ranking modules for a bridge management system 1993
RR89/058 Riglyne vir Verkeersimpakstudies 1990
RR89/67 Application of risk analysis techniques for decision making in selection of mass transport systems 1990
RR89/083 HOV priority treatment in the South African context 1992
RR89/093 Warrants for the lighting of major roads 1992
RR89/102 Elements contributing to collision occurrence at high volume at grade intersections 1994
RR89/103 Accident rates related to rural road geometry elements and daily traffic 1994
RR89/149 The use of the DRTT K Mould to determine the elastic and shear properties of pavement materials 1991
RR89/151 Engineering properties of bitumen-rubber asphalt 1992
RR89/161 Inexpensive advance hazard warning system: the fog monitoring device 1992
RR89/162 The cost-effectiveness of recovery areas and roadside furniture on rural roads 1992
RR89/209 Dew on road signs 1996
RR89/222 Temperature gradients through bridge decks 1994
RR 90/014 The non-destructive determination of pavement layer thicknesses 1991
RR 90/021 The effect of rural road construction on the accident rate 1993
RR 90/022 Rural traffic assessment in developed areas 1991
RR 90/023 User benefits of different types of interchanges 1991
RR 90/024 Warrants for the provision of passing opportunities on two-lane rural roads 1991
RR 90/030 Nonlinear dynamic analysis and design of road pavements 1992
RR 90/089 Link performance curves for South African conditions 1991
RR 90/102 The effect of asphalt overlays on the resilient deflection bowl response of typical pavement structures.
Vol. 1: Report. Vol 2: Appendices
1991
RR 90/114 Guidelines for pedestrian signing 1995
RR 90/115 An education programme dealing with new road traffic signs 1993
RR 90/138 A procedure for integrating environmental concerns into the planning and implementation of urban road projects 1991
RR 90/164 Durability of road signs  1995
RR 90/169 Capacity of Two-Lane Roads 1991
RR 90/217 The determination of acceptability criteria for dust from unpaved roads 1991
RR 90/222 The use of botanical indicators for the location of road construction materials 1991
RR 90/224 Evaluation of automatic paving machines with respect to surface finish and rideability
of selected concrete- and asphalt-surfaced highways
1991
RR 90/225 Guidelines for enforcing rideability quality control on road contracts 1992
RR 90/274 South African Default parameters for QRS II and HLFM II 1991
RR 90/275 Surface disintegration of primed pavement layers and blistering of bituminous surfacings 1994
RR 90/277 Prospecting for pedocretes for use as road construction materials: A review 1996
RR 90/278 Prediction of cbr from indicators: a review  1994
RR 90/279 Stabilization reflection cracking of roads in South Africa: a preliminary survey of local experience 1994
RR 90/571 Professional human resource needs in the road transportation sector. 1994
RR 91/004 The effect of an increase in the permissible heavy vehicle loads on road bridges 1994
RR91/004/2 The effect of an increase in the permissible heavy vehicle loads on road bridges. Assessment code 1995
RR 91/012 Characterization of the elastic properties of existing pavements: state of the art 1993
RR 91/013 Permeabilities of road building materials in South Africa 1993
91/NSC18/1 Urban road network and expenditure 1994
RR 91/022 The financial feasibility of toll roads: development of program tolfin 1993
RR91/029/1 Properties of epoxy resin adhesive and its use in bonding external reinforcement to highway bridges 1992
RR91/029/2 Recommendations for the design of epoxy bonded external steel plate reinforcement 1992
RR91/029/3 Provisional specification for epoxy resin adhesives for bonding steel plate reinforcement to portland cement concrete 1992
RR91/029/4 Guidelines for epoxy resin bonding external steel plate reinforcement to portland cement concrete 1992
RR 91/043 The demand for transport in the long term: Transport as a derived demand 1992/1997
RR 91/104 Location of termini and stopping facilities for minibus-taxis 1992
RR 91/110 Incorporating risk in the economic evaluation of road infrastructure projects 1993
RR 91/117 Free-flow speeds for representative road and terrain types 1994
RR 91/119 Proposed guidelines to improve pedestrian safety at freeway interchanges 1992
RR 91/128 Using emme/2 under South African conditions 1992
RR 91/134 Joint venturing institutions for integrated development along public transport corridors 1993
RR 91/153 Stability of pavement mixes at intersections 1993
RR 91/155 Equivalent damage of loads on pavements 1995
RR 91/167 Erodibility of cemented materials 1993
RR 91/172 Passability criteria for unpaved roads 1994
RR 91/187 Improved condition assessments 1992
RR 91/189 The linear shrinkage test: justification for its reintroduction as a standard South African test method 1992
RR 91/199 The optimization of compaction specifications for different pavement layers 1994
RR 91/201 Recommendations on the use of marginal base course materials in low volume roads in South Africa 1997
RR 91/207 Control and management of combi taxi facilities 1994
RR 91/211 Performance of impact attenuators at toll plazas 1992
RR 91/215 Estimation of AADT by Mother-Daughter Method 1993
RR 91/221 The quantification of slab life as a function of loss in support 1994
RR 91/225 The applicability and determination of the shear modulus of road construction materials for pavement design and performance 1994
RR 91/227 Life expectancy of and guidelines for the selection of asphalt surfaces 1992
RR 91/230 An improved collision severity module for CB-roads 1993
RR 91/232 Guidelines on project evaluation for tertiary roads 1993
RR 91/233 Spacing of accesses on major arterials 1993
RR 91/243 Pavement rehabilitation design based on maximum surface deflection measurements 1994
RR 91/245 Estimation of traffic volumes on tertiary roads 1992
RR 91/249 Optimisation of the number and type of testing needed for the evaluation of pavements. 1992 1996
RR 91/255 An initial evaluation of bonuses and penalties for contractors as related to the riding quality of newly constructed roads 1992
RR 91/261 Level of service on ramps and weaving sections 1994
RR 91/278 PCU factors for South African combi taxis and heavy vehicles on 2-lane rural roads 1992
RR 91/279 Parameters for the design of vehicle-actuated traffic signals 1992
RR 91/280 Dynamic loading effects of heavy vehicles on road pavements 1992
RR 91/284 Calibration of piezometer cone (CPTU) predictions against measured settlements of embankments on alluvium 1993/1997
RR 91/297 Cost implications for the environmental evaluation of road projects 1995
RR 91/299 Pull-out test for surfacing aggregates 1996
RR 91/324 Nuclear integrity testing of concrete piles 1994
RR 91/331 Establishment of guidelines for a road signs management system for road authorities 1993
RR 91/332 A procedure for cost apportionment of road infrastructure as a result of change in land use: implementation 1993
RR 91/335 A procedure for the operation and funding of an incident management system 1993
RR 91/353 Development of a dynamic non-destructive test procedure for evaluating layered pavements 1993
RR 91/370 'n Ontleding van parallelle openbare vervoerdienste en die toepaslikheid van
pad- en spoorinfrastruktuur in die lewering van pendeldienste
1995
RR 91/388 Development of regional strategies to cope with organizational and legislative changes affecting transport 1993
RR 91/408 Simulation analysis of passing lanes on single-carriageway for rural roads 1992
RR91/413/1 Quantifying the developmental benefits of rural road projects 1996
RR91/413/2 Multi-criteria priority assessment of urban transport projects 1994
RR 91/418 Lowering the cost of mobility through effective land use planning 1993
RR 91/423 Towards appropriate road infrastructure standards for rapidly urbanising areas 1995
RR 91/429 Social considerations in the development of a marketing strategy to promote and stabilize road funding 1992
RR 91/434 Cost of congestion: A procedure to define and quantify congestion 1992/1997
RR 91/438 Guidelines on the determination of residual values for road projects 1993
RR 91/459 A traffic counting strategy for rural roads 1992
RR91/459/1 'n Verkeerstelstrategie vir plattelandse paaie 1992
RR 91/461 Traffic flow characteristic of mini circles 1992
RR 91/468 A procedure for and background technical information related to the environmental management
of transportation projects: the basis for a manual
1993
RR 92/023 User pay approaches in transportation 1993
RR 92/032 Relationship between transport infrastructure and economic growth 1993
RR 92/041 Means available to local authorities to increase funds for transportation 1995
RR 92/076 Appropriate procedures and modelling approaches for urban growth management and development,
with specific reference to transport systems planning and management
1996
RR 92/079 1993 Database of heavy vehicles crossing South Africa's borders 1993
RR 92/082 Monitoring of key transport indicators and changes in the transport environment for strategic management 1995
RR 92/107 A "BEFORE" study to monitor the effects of the RTQS 1994
RR 92/109 A visual assessment method for the identification, assessment and prioritising of operational problems on road sections 1994
RR 92/126 Pedestrian Facility Guidelines: Manual to plan, design and maintain safe pedestrian facilities 1993
RR 92/144 Safety devices short course 1993
RR 92/201 Technology transfer course on RDAC manual
RR 92/126 Pedestrian facility guidelines: Manual to plan, design and maintain safe pedestrian facilities. 1994
RR 92/233 Towards reversing the rapid deterioration of transport infrastructure in disadvantaged urban areas 1993
RR 92/234

Appropriate guidelines on communication procedures for the planning and management of
transportation infrastructure for underdeveloped communities

1994
RR 92/312 Elasto plastic modelling of granular layers 1996
RR 92/342 The elimination of expansion joints on multispan beam and slab superstructures 1997
RR 92/337 Supplementary specifications to the CSRA standard specifications for the rehabilitation of bridges 1996
RR 92/383 Network services rendered by small operators in a formal and informal market 1993
RR 92/452 Pavement deterioration curves for CB-Roads 1995
RR 92/453 Requirements for road network management 1994
RR 92/463 Theoretical analysis of labour intensive construction of waterbound Macadam Roads 1997
RR92/466/1 Towards appropriate standards for rural roads: discussion document 1993
RR92/466/2 Guidelines for upgrading of low volume roads 1993
RR 92/473 Traffic circles as a traffic control measure in developing urban areas 1994
RR 93/047 Development of a national traffic safety educational programme within the framework of the road
traffic management system
1996/1997
RR 93/144 Dedicated truck routes investigation procedures 1994
RR 93/190 The economic benefits derived from tourism for inclusion in cost-benefit analysis of road projects 1996
RR 93/197 Multi Modal strategic planning for South Africa as the Transport funnel into Africa. 1994 1997
RR 93/263 Appropriate use of locally available materials in concrete, Bituminous surfacings and layerworks for roads in rural areas 1996
RR 93/286 Towards successful SPP treatment of local materials for road building 1996
RR 93/296 Rehabilitation design of flexible pavements in South Africa. (book 1 of 2 1997) 1997
RR 93/296 Rehabilitation design of flexible pavements in South Africa. (book 2 of 2 1997) 1997
RR 93/319 Construction materials and procedures for the restoration of airfield pavements in South Africa 1996
RR 93/335 Sensitivity of road segment lengths and visual assessment items in pavement management systems 1994
RR 93/339 The application of chemical stabilisers to labour intensive road construction 1994
RR 93/342 Site management and its applications in the deviation of traffic, construction methods,
site safety and contractual procedures
1994
RR 93/367 Synthesis of test and estimation procedures for mechanistic pavement design materials properties 1996
RR 93/371 The non-destructive measurement of engineering properties of roads for use in the rehabilitation of roads 1995
RR 93/372 The provision of overnight facilities for heavy vehicles 1996
RR 93/401 Provision and maintenance of roads in sparsely populated areas 1995
RR 93/426 Infrastructure and procedures for road transportation of dangerous materials 1994/1997
RR 93/463 Measures to ensure concrete durability and effective curing during construction 1994
RR 93/467 The behaviour of precast and in-situ portal culverts under various conditions 1996
RR 93/556 The functions and structure of a South African Transportation Research information services (SA TRIS) 1993
RR 93/559 Towards improved understanding of surfacing, base and tyre interaction for low cost pavement design 1995
RR 93/560 The hardness of gravel aggregate as an indicator of performance in unpaved roads. 1995 1996
RR 93/565 Testing of the fatigue characteristics of bound wearing courses to more accurately predict pavement behaviour
and field performance in design
1995
RR 93/566 A feasibility study into the development of an asphalt mix design procedure 1994
RR 93/580 Evaluation of the portable dynamic creep apparatus 1994
RR 93/593 The seasonal variation of non-destructive pavement deflections 1996
RR 93/599 Field study of subsurface drainage systems 1995
RR 93/600 A transportation provision strategy for rural communities 1995
RR 93/635 Manual for Traffic impact studies 1995/1998
RR 93/641 Implementation of research findings in the field of road transport policy and planning 1996
RR 93/648 General guidelines for transportation demand management 1995
RR 93/657 Accident rates at traffic control devices 1995
RR 93/679 The estimation of construction costs for use with CB-roads 1995
RR 93/682 Evaluation of initiatives to overcome the problems of the minibus-taxi industry: 1990 1994 1994
RR 93/690 The objectives and benefit-cost analysis of road passenger transport terminals and transfer facilities 1995
RR 93/748 Evaluation of automatic road condition monitoring equipment 1995
RR 93/755 Implementation of research findings in the field of pavement engineering and materials 1995
RR 93/768 Methodology for the determination of transportation infrastructure needs in disadvantaged communities 1995
RR93/786/1 Before study on knowledge and perceptions of motorists regarding road signs, road markings and traffic signals 1994
RR93/786/2 Knowledge and perceptions of motorists regarding road signs, road markings and traffic signals 1995
RR 93/797 Applicability of fuzzy expert system for the selection of maintenance or rehabilitation options 1994
RR 93/801 Transportation and land use guidelines for developing urban areas 1994
RR 93/803 A new methodology for establishing sight distance requirements at intersections 1994
RR 93/804 Kerb radii requirements of passenger cars turning at urban intersections 1994
RR 93/805 Changes in planning legislation required to facilitate the coordination of urban land use and transportation planning 1994
RR 93/818 A study of cross-border traffic management at Beit bridge border post 1994
NSC 94/09 The National Passenger Panel 1994. A data base monitoring transport needs in disadvantaged communities 1995
NSC18/U94 Urban road network and expenditure 1995
CR 96/034 Review of South African Bitumen Specification to take cognisance of compositional balance relative to long-term behaviour 1996-1997
NSC18/1 Revision of unit prices for program CB-Roads 1997


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