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Research Results Digest 350
Pages 1-20

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From page 1... ... To provide a systematic means for assembling and evaluating such useful information and making it available to the entire highway community, the American Association of State Highway and Transportation Officials -- through the mechanism of the National Cooperative Highway Research Program -- authorized the Transportation Research Board to undertake a continuing study. This study, NCHRP CONTINUING PROJECT TO SYNTHESIZE INFORMATION ON HIGHWAY PROBLEMS A staff digest of the progress and status of NCHRP Project 20-05, "Synthesis of Information Related to Highway Problems," for which the Transportation Research Board is the agency conducting the research. Read the entire page →
From page 2... ... Title No. Title 39-11 Performance of Thin Polymer Overlays for Bridge Decks 40-01 Recycled Materials and Byproducts in Highway Applications 40-07 Trade-off Considerations in Highway Geometric Design 40-13 Recycling and Reclamation of Asphalt Pavements Using In-Place Methods 41-01 Geometric Design Practices for Resurfacing, Restoration, and Rehabilitation 41-02 Effective Delivery of Small-Scale Federal Aid Projects 41-03 Engineering Economic Analysis Practices for Highway Investment 41-04 Sustainable Pavement Maintenance Practices 41-05 Design Fires in Road Tunnels 41-06 Accelerating Implementation of Transportation Research Results 41-07 Operational and Institutional Agreements That Facilitate Regional Traffic Signal Operating Programs 41-08 Implementing Race-Neutral Measures as State Disadvantage Business Enterprise Programs 41-09 Techniques for Highway Construction Projects in Congested Urban Areas 41-10 Developing Production Pile Driving Criteria from Test Pile Data 41-11 Transportation Improvement Program Revision Process Read the entire page →
From page 3... ... by States and Metropolitan Planning Organizations 42-03 Practice and Procedures for Site-Specific Evaluation of Earthquake Ground Motions 42-04 Recent Geometric Design Research for Improved Safety, Operations, and Maintenance 42-05 Long-term Performance of Mechanically Stabilized Earth (MSE) Walls 42-06 Performance-based Highway Maintenance and Operations Management 42-07 Waterproofing Membranes for Concrete Bridge Decks 42-08 Significant Findings from Full-Scale Accelerated Advanced Pavement Testing 42-09 Cost-Effective and Sustainable Road Slope Stabilization and Erosion Control 42-10 Extent of Highway Capacity Manual Use in Planning 42-11 Local Policies and Practices That Support Safe Pedestrian Environments 42-12 Practices to Manage Traffic Sign Retroreflectivity Table 3 NCHRP PROJECT COMMITTEE SP20-5 Chairman Catherine Nelson Oregon Department of Transportation Kathleen S Read the entire page →
From page 4... ... Copies of these Syntheses, Digests, and unpublished reports can be obtained from the publications office, Transportation Research Board, 500 Fifth Street, NW, Washington D.C. 20001; by calling (202) Read the entire page →
From page 5... ... 36 pp., $5.20 57. Durability of Concrete Bridge Decks (1979) Read the entire page →
From page 6... ... 49 pp., $8.00 114. Management of Traffic Signal Maintenance (1984) Read the entire page →
From page 7... ... 69 pp., $9.00 154. Recycling Portland Cement Concrete Pavements (1989) Read the entire page →
From page 8... ... 37 pp., $11.00 209. Sealers for Portland Cement Concrete Highway Facilities (1994) Read the entire page →
From page 9... ... 67 pp., $18.00 220. Waterproofing Membranes for Concrete Bridge Decks (1995) Read the entire page →
From page 10... ... 69 pp., $27.00 271. Traffic Signal Operations Near Highway-Rail Grade Crossings (1999) Read the entire page →
From page 11... ... 45 pp., $15.00 331. State Highway Program Letting Management (2004) Read the entire page →
From page 12... ... Cathodic Protection for Life Extension of Existing Reinforced Concrete Bridge Elements 48 pp., $41.00 399. Real-Time Traveler Information Systems 62 pp., $43.00 400. Read the entire page →
From page 13... ... Bridges - approaches 2, 159, 234 - bearings 41 - below-water inspection 88 - below-water maintenance 200 - below-water repair 88, 200 - box beam 393 - cathodic protection 398 - concrete decks 4, 57, 86, 209, 220, 333 - construction 44, 53, 324, 345 - corrosion protection 257, 398 - deck joints 141, 319 - deck removal 169 - deck sealers 209 - design for maintenance 123 - drainage 67 - durability 4, 57, 86, 118, 140 - dynamic impact factors 266 - expansion devices 141, 319 - fatigue 354 - failure 396 - foundations 42, 107, 253 - galvanizing 112, 257 - historic 101, 275, 327 - increasing live loads, existing 249 - inspection 88, 118, 353, 354, 375, 393, 398 - inspection standards 397 - local interest 327 - maintenance 227, 257, 327, 353, 354, 393 - management systems 227, 397 - membranes 220 - off-system 327 - overweight vehicles 359 - paint removal 176, 251 - painting 136 Table 4 (Continued) Read the entire page →
From page 14... ... 400 Cathodic protection 399 Changeable message signs 61, 237, 383 Chip seals 342 Collisions, animal–vehicle 400 Commercial vehicle 386 Communications 7, 12, 13, 71, 165, 296 Commercial Vehicle Information Systems and Networks (CVISN) 386 Compensation, 315 Computer-aided design 161, 372 Computers 55, 372 Concrete - admixtures 127, 129 - bridge decks 4, 57, 86, 169, 333, 393 - consolidation 44 - dry-cast 129 - durability 4, 57, 129, 140 - epoxies 109 - fly ash in 127, 199 - foundations 360 - freezing and thawing 129 - latex-modified 179 - overlays 99, 204, 338 - patching 45 - pavement recycling 54, 154 - pavements 16, 19, 27, 45, 56, 60, 98, 99, 134, 144, 204, 211 - precast 53 - pre-overlay repair 388 - rapid test methods 187 - repair preparation 169 - resurfacing 204 - sealers 209 - temperature tracking 372 - water reducers 129 Conduits - trenchless installation 242 Consolidation of concrete 44 Construction - acceptance 263 - bases and subbases 37 - bidding qualifications 190 - bituminous pavements 30 - bridge approaches 2, 159, 234 - bridge decks 4, 44, 57, 86 - concrete pavements 16, 19, 27, 44, 144, 204, 211 - consultants 146 - contract claims 105, 214 - contract time 79, 215, 379 - delivery 372 - embankments 8 - energy factors 85 - engineering 145, 146 - erosion control 18 - insurance 308 - lane occupancy 293 - management 51, 145, 413 - Manager-at-Risk 402 - material certification 102, 263 - pavements 16, 19, 27, 30, 44, 144, 152, 167, 204, 211 - prequalifications 390 - quality assurance 38, 65, 212, 232, 263, 346 - recycling 54, 154, 193 - specifications 38, 212, 263 - staffing 51, 145 - subgrades 247 - testing 36, 65, 187 - traffic control 208, RRD 100 - trenchless, conduits 242 - urban area 413 - utilities 115, 224 - value engineering 78, 352 - variability 232 - warranties 195 - weather 47 Consultants - construction engineering 146 - DOT design 277 - negotiating for services 137 Contaminated soils 226 Context-sensitive solutions 373, 400 Continuously reinforced pavements 16, 60, 204, 211 Contracting - bidding qualifications 190 - claims 105, 214 - Disadvantaged Business Enterprise 341 - maintenance 125, 246, 389 - management 168 - microsurfacing 411 - overhead 315 - prequalifications 389, 390 - research 231 - time determination 79, 215 Control of invasive species 363 Convertible roadways 340 Corridor management plans 289, 337, 363 Corridor preservation 197 Corrision, bridges 398 Cost-effectiveness analysis 142, 223, 396, 407 Costs - life-cycle 122, 222, 269 - roadside litter collection 394 - user and mitigation, 269 Cost-plus-time bidding 379 Crash cushions 182, 205 Crash reconstructions 369 Crash records systems 350, 367 Cross sections 299 Culverts - assessment and rehabilitation 303 - durability 50, 254 - inlets 3 - performance and service life 371 Data - bridge inspection 375 - collection 124, 126, 130, 334, 335, 350, 370, 381, 401, 406, 410 - quality 401 - partnerships 288 - sharing 288, 312 - storage 335 - systems 55 Read the entire page →
From page 15... ... Emergency management agencies 392 Emulsions 30 End result specifications 38, 212 Energy - bituminous emulsions 30 - construction 85 - transportation use 43, 121 Enterprise resource planning 385 Environmental issues 272, 305, 341, 347, 363, 366, 394, 400, 411 Epoxies 109, 333 Equipment - accident removal 318 - cone penetration testing 366 - crash reconstruction 369 - for pavement data 126 - for testing 36 - for traffic control 166, 270, 399 - management of 52, 245, 283 - procurement of 52 - selection of 52, 283 Evacuation 392 Expansion devices for bridges 141, 319 Expert systems 183 Fabrics for pavements 171 Falling weight deflectometers (FWDs) 381, 382 Field testing equipment 36, 126 Finance/budgets 62, 72, 80, 100, 117, 151, 243, 364, 366, 395 Fly ash 37, 127, 333 Fog 228 Foundations - embankments 8, 29, 147, 234 - evaluation 357 - pile 42, 253 - shallow 107 - soft strata 29, 147 - structure 360 Fracture-critical members 354 Freeways - corridor management 177, 351 - incident management 156, 318 - maintenance 1, 25, 170 - off-ramps 35 - project development 273 - reconstruction 273 - repair 25 Freight 230, 320, 374, 384, 406, 410 Friction courses 49, 104, 180, 284 Frost susceptibility 26 Fuel taxes 62, 164 Funding, bridge mnagement 397 Galvanizing 112, 257 Geographic information systems 301, 335 Geology 357, 360 Geophysics 357 Geotechnical - cone penetration testing - data 33 - exploration 33 - In situ strength measurement 278 - instrumentation 89, 253 - load and resistance factor design 276 - pile foundation vibrations 253 - resilient modulus 382 - rock-socketed shafts 360 Glare screen 66 Global freight villages 384 Grade crossings 250, 271 GPS - satellite positioning 258, 301 - technology 371, 385 Ground penetrating radar 255, 372 Guaranteed maximum price 402 Guaranty of construction 195 Guardrails 244 Handicapped, transportation for 39, 83 Hazardous materials transportation - impacts on maintenance 196 - risk assessment 103 - routing criteria 261 High-occupancy vehicles (HOV) Read the entire page →
From page 16... ... system 380 Inspection by consultants 146, 263 Inspection of bridges 88, 353, 393, 396, 398 Institutional memory 365 Instrumentation 36, 235, Instrumentation, geotechnical 89, 253 Instrumentation, scour critical bridges 396 Insurance 308 Interchanges 299, 332 Intermodal Facilities w/Freight 320, 384, RRD327 Intersections 299, 310 Invasives 363 ISTEA - 15 factors 217 - small MPOs 252 Joints, bridge deck 141, 319 Joints, concrete pavement 19, 56, 98, 134, 211 Joints and cracks, sealing 98 Just-in-time logistics RRD 327 Knowledge management 365 Laboratory testing equipment 36 Land development 233, 404 Land use 93, 233, 320, 337, 406 Latex-modified concrete 179 Leadership 349 Left-turn treatments 225, 404 Legal liability 106, 206, 318, 369 Letting program 331 Light-emitting diodes 380, 387 Lighting - roadway 371 Life-cycle costs 122, 269, 352 Lime-fly ash 37 Litter disposal 184, 394 Load and resistance factor design (geotechnical) 276 Load rating 359 Location reference methods 21, 91 Long Term Pavement Performance 386 Low-volume pavements 27, 260 Maintenance - bituminous pavements 30, 64, 98, 388 - bridges 88, 123, 200, 227, 257, 319, 353, 375, 398 - budgets 80 - concrete pavements 19, 45, 56, 60, 98, 204, 211, 388 - contract 125 - contracting, performance-based 389 - costs 58, 98, 223 - culverts 303 - deferred 58, 223 - edgedrains 285 - equipment 52, 283 - freeways 1, 25, 170 - hazardous materials impacts 196 - invasive species 363 - litter disposal 184, 394 - management 10, 22, 46, 52, 58, 80, 110, 157, 173, 283 - management systems 110, 173 - pavement costs 77, 98 - pavement joints 19, 56, 98, 134, 211 - pavements 9, 19, 25, 30, 45, 56, 60, 64, 98, 134, 388 - personnel 10, 344 - preventive, value of 153, 223, 342 - public benefits 343 - quality assurance 148 - records 46 - recycling 54, 193 - reporting 46 - rest areas 20, 246 - scheduling 170 - signs 155, 157 - snow and ice 24, 207, 344 - traffic control 1, 25, RRD 100, 208 - traffic signals 22, 114, 245 - training 10 - tunnels 31 - vegetation management 340 - winter 24, 207, 344 Main tension elements 353 Management - access 351 - bridges 397 - construction 51, 145 - contract 168 - corridor plans 289, 337 - data 55, 350, 401 - freeway corridor 177 - freeway incidents 156 - letting program 331 - knowledge 365 - maintenance 10, 22, 46, 52, 58, 80, 110, 170, 173, 245 - maintenance, environmental issues 272 - maintenance, equipment 283 - major events 309, 392 - pavement marking 408 - personnel 11, 120, 349 - project, systems 282 - research 113, 231 - risk, R-O-W 292 - roadway information 133, 399 - safety systems 322 - snow and ice control operations 207, 344 - S.E.E. Read the entire page →
From page 17... ... 274 - sealers 209 - skid resistance 14, 158 - smoothness 167 - striping 17, 138, 218 - studded tires 32 - subgrade stabilization 247 - surface texture 268 - testing 235, 291 - unbound pavement materials 382 - widening 28, 221 Pedestrian traffic control 139, 380 Performance evaluation 306, 390 Performance measures 238, 300, 311, 326, 352, 364, 389, 397, 408 Performance-related specifications 212 Permit operations 68, 143 - driveway regulation 304 - effects on pavements 131 - overweight vehicles 359 Personnel - bridge inspection 141 - construction engineering 51, 145 - maintenance 10 - planning for 120 - recruiting and maintaining 323, 349 - S.E.E. assessment 40 - training 10, 11, 163, 188, 248, 313, 346 Photographic traffic law enforcement 219, 310 Photologging 94 Pile foundations 42, 253 Pipe durability 50, 254, 303 Planning - access management 404 - evacuation and reentry 392 - forecasting models 358, 364 - freight 230, 314, 320 - invasive species 363 - major events 309 - MPOs 217, 252 - multimodal evaluation 201 - personnel 120 - pre-project 347 - public involvement 407 - real-time traveler information 399 - statewide transportation 15, 95, 286 - strategic 326 - toll road 364 - transit 69, 73 - transportation 73, 201, 332 - value engineering 352 - visualization 361 Read the entire page →
From page 18... ... 382 Rest areas 20, 287, 317 Resurfacing portland cement concrete 204 Retroreflectivity 304, 380 Revenue forecasting 364 Right-of-way - clearance 292 - utilities 34, 224, 405 Risk assessment, hazardous materials 103 Road pricing 210, 269, 377 Roadside hazard severity 202 Roadway - convertible 340 - information systems 133, 399 - incident diversion practices 279, 399 - safety tools, localities 321 Rock-socketed shafts 360 Routing, hazardous materials 261 Rubber tire uses 198, 199 Rumble strips 191, 339 Safety 1, 3, 7, 14, 32, 49, 66, 91, RRD 100, 128, 132, 156, 158, 182, 186, 191, 192, 202, 205, 244, 286, 295, 299, 306, 308, 310, 318, 321, 336, 339, 340, 348, 350, 356, 359, 370, 380, 383, 397, 403, 404, 408, 412 Safety analysis 295, 336 Safety management systems 322 Scheduling of projects 6, 222, 243, 292 Scour 5, 200, 396 Sealers for PCC highway facilities 209 Security 392 Sedimentation basins 18, 70 Severity indices 202 Sidewalks - maintenance 371 Signs - advance warning 186 - changeable message 61, 237, 383 - dynamic message 399 - maintenance 155, 157, 371 - motorist information 71, 162, 392 Size regulation and enforcement 68, 143 Skid resistance 14, 158, 291 Sleep deprivation 286 Slurry 411 Smart jobsites 385 Smoothness, pavements 167 Snow and ice control 24, 207, 344 Soft foundations 29, 147 Soils - erosion 18 - measuring, in-situ 278, 368, 382 - remediation of contaminated 226 Specifications 38, 65, 212, 306 Spectrum management 13 Speed reduction 412 Stabilization - bases 37 - subbases 247 Staffing - construction 51, 145, 263 - maintenance 10 - planning for 120 - public involvement 407 - S.E.E. assessments 40 Standards, travel survey 236 - historic bridges 275 Statewide transportation planning 15, 95, 267, 286 Statistical methods 295 Statistical specifications 38, 65, 212, 232 Stormwater management 174 Stream scour 5, 200 Strategic planning 326, 363 Striping 17, 138, 218 Structures (see bridges) Read the entire page →
From page 19... ... 271 - retiming 409 - timing 172, 403 Training of personnel 10, 11, 163, 188, 248, 346, 349, 354, 355, 362, 375 Transit - boards 75 - development process 267 - economic benefits 290 - elderly/handicapped 39, 83 - investment 290 - management assistance 74 - management centers 270 - ownership 97 - planning 15, 69, 72, 73, 95, 151, 201, 230, 252, 331 - system management 81, 93, 259 Travel Demand Forecasting 364, 384, 406 Travel Information Systems 399 Travel surveys 236 Tribal Transportation 366 Truck - escape ramps 178 - increasing traffic 314 - operating characteristics 241 - parking demands 317 - trip generation 298 - truck weights and sizes 68, 82, 124, 143, 386 Tunnels, maintenance and operation 31 Underwater bridge inspection 88 Underwater bridge repair 88, 200 Urban freeways 25, 273 Utilities 34, 115, 242, 405 Value engineering 78, 352, 361 Variable message signs 61, 237, 383 Vegetation management 363 Vehicle attenuators 182 Vehicles, larger 281 Vibration from piles 253 Vibration of concrete 44 Video monitoring - web-based 372 Video traffic law enforcement 219 Visibility 228, 348 Visualization 229, 361 Warranties - construction 195 - microsurfacing 411 - pavement markings 408 Waste materials RRD 106, 199 Waterproofing membranes for bridge decks 220 Weather 47, 344 Weigh-in-motion 124, 386 Weight regulation and enforcement 68, 82, 124, 143 Wetland mitigation 302 Whitetopping 338 Widening of pavements 28, 221 Wildlife 305, 370, 400 Winter maintenance 24, 207, 344 Work schedules 73 Work zone traffic 1, RRD 100, 208 Read the entire page →
From page 20... ... . Persons wanting to pursue the project subject matter in greater depth should contact the CRP Staff, Transportation Research Board of the National Academies, 500 Fifth Street, NW, Washington, DC 20001. Read the entire page →

From page 1...

... To provide a systematic means for assembling and evaluating such useful information and making it available to the entire highway community, the American Association of State Highway and Transportation Officials -- through the mechanism of the National Cooperative Highway Research Program -- authorized the Transportation Research Board to undertake a continuing study. This study, NCHRP CONTINUING PROJECT TO SYNTHESIZE INFORMATION ON HIGHWAY PROBLEMS A staff digest of the progress and status of NCHRP Project 20-05, "Synthesis of Information Related to Highway Problems," for which the Transportation Research Board is the agency conducting the research.

Research Results Digest 350 Pages 1-20

Research Results Digest 350
Pages 1-20