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From page 2... ... 2Research Program -- authorized the Transportation Research Board to undertake a continuing study. This study, NCHRP Project 20-05, "Synthesis of Information Related to Highway Problems," searches out and synthesizes useful knowledge from all available sources and prepares concise, documented reports on specific topics. Read the entire page →
From page 3... ... 3year. The following factors are considered in the selection process for synthesis topics: • The topic should address a problem that is widespread enough to generate broad interest in the synthesis. Read the entire page →
From page 4... ... 4 1. Traffic Control for Freeway Maintenance (1969) Read the entire page →
From page 5... ... 5 16. Continuously Reinforced Concrete Pavement (1973) Read the entire page →
From page 6... ... 6 65. Quality Assurance (1979) Read the entire page →
From page 7... ... 7117. Toll Highway Financing (1984) Read the entire page →
From page 8... ... 8166. Traffic Signal Control Equipment: State of the Art (1990) Read the entire page →
From page 9... ... 9215. Determination of Contract Time for Highway Construction Projects (1995) Read the entire page →
From page 10... ... 10 263. State DOT Management Techniques for Construction and Materials Acceptance (1998) Read the entire page →
From page 11... ... 11 308. Owner Controlled Insurance Programs (2002) Read the entire page →
From page 12... ... 12 358. Statewide Travel Forecasting Models (2006) Read the entire page →
From page 13... ... 13 406. Advanced Practices in Travel Forecasting (2010) Read the entire page →
From page 14... ... 14 468. Interactive Training for All-Hazards Emergency Planning, Preparation, and Response for Maintenance and Operations Field Personnel (2015) Read the entire page →
From page 15... ... 15 508. Data Management and Government Practices (2017) Read the entire page →
From page 16... ... 16 511 phone systems 399 Accelerated pavement testing 235, 325, 433 Access-controlled roadways 493 Access management 233, 304, 332, 337, 351, 404 Accident (crash) data 91, 192, 367, 369, 370, 451 Accident location 21, 91, 128, 202, 399, 451 Active traffic management 447 Adaptive Traffic Control Systems 403 Adopt-A-Highway 394 Advance warnings 186, 399 Aggregate 445 Aid to motorists 7 Alliance contracting 466 Alternative delivery methods 481 American Community Survey 434 Archaeological investigations 347 Arterials 447 Artificial intelligence 183 Asset management 491 Asphalt - cement 59 - chip seal 342 - compaction 152 - concrete overlays 464 - emulsions 30, UR24-10 - friction courses 49, 104, 180, 284 - hot mix 388, 433, 435, 463, 477, 511 - mixtures 475, 492, 495 - moisture damage 175 - overlays 116, UR24-10 - patching 64, 463 - pavements 30, 49, 59, 104, 152, 171, 175, 180, 260, 338, 417, 421, 511 - performance specifications 492 - pre-overlay repair 388 - reclamation 421, 495 - recycling 54, 160, 193, 421, 495 - rut resistant 274 - surface treatments 223 Asphalt concrete pavements 435 Asphalt mix segregation 477 Asset management 439 Attenuators 182 Automated speed enforcement 482 Automatic vehicle identification (AVI) Read the entire page →
From page 17... ... 17 Chip seals 342 Claims 484 Climate change 454 Coal combustion byproducts 435 Collisions, animal–vehicle 400 Commercial vehicle 386, 476 Communications 7, 12, 13, 71, 165, 296 Commercial Vehicle Information Systems and Networks (CVISN) 386 Compaction control 456 Compensation 315 Computer-aided design 161, 372, 446 Computer-aided dispatch 460 Computers 55, 372 Concrete - admixtures 127, 129 - bridge decks 4, 57, 86, 169, 333, 393, 425 - cast-in-place 441 - consolidation 44 - cracking 500 - dry-cast 129 - durability 4, 57, 129, 140 - epoxies 109 - fly ash in 127, 199 - foundations 360 - freezing and thawing 129 - high performance 441 - latex-modified 179 - overlays 99, 204, 338, 464 - patching 45, 463 - pavement recycling 54, 154 - pavements 16, 19, 27, 45, 56, 60, 98, 99, 134, 144, 204, 211 - precast 53 - pre-overlay repair 388 - prestressed 512 - 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 table 5 (Continued) Read the entire page →
From page 18... ... 18 - management 508 - quality 401, 470 - partnerships 288 - safety 458 - sharing 288, 312, 458, 460, 508 - storage 335 - systems 55 DBE 343, 481 D-cracking 134 Debt finance practices 513 Debt financing 395 Decision-making process 427 Deferred maintenance 58, 223 Deicing chemical use 24, 207, 344, 449 Demand modification 448 Design - access-controlled roadways 493 - barriers 465 - bituminous pavements 30, 116, 260 - bridge approaches 2, 159, 234 - bridge bearings 41 - computer-aided 161 - concrete pavements 16, 19, 27, 189, 211 - crossroads 332 - design controls and criteria 432 - embankments 496 - exceptions 316 - for bridge maintenance 123 - frost 26 - geometric design 417, 422, 432 - geometric research 299, 432 - highway 443 - pavement markings 356, 380 - pavement overlays 99, 116, 204 - pavements 16, 19, 26, 27, 30, 189, 211, 260, 291, 457 - pile foundations 42, 253 - practical 440 - roadways 26, 247, 435 - roundabouts 488 - rumble strips and rumble stripes 490 - seismic bridge 440 - shoulders 63 - solutions 443 - speed reduction 412 - toll plaza 240 - tunnels 415 - use of consultants 277 - utilities 405, 462 - value engineering 78, 352 - visualization 361 Design-Bid-Build 376, 391, 402, 455, 502, 504 Design-Build 376, 379, 390, 391, 402, 429, 455, 481, 502, 504 Direction finding 71 Disadvantaged Business Enterprise 343, 416, 481 Disadvantaged, transportation for 39 Disaster planning 467 Disaster relief 472 Disinvestment 480 Drainage - bridge 67 - culverts 303, 371, 474 - drilled shafts 360 - pavement 96, 174, 239, 449 - pipe durability 50, 254 - sedimentation basins 70 - structures 3, 174 Driver licensing 348 Driveway regulations 304, 404 Driven piles 478 Dynamic Message Signs 399 Earthquakes 428, 440 Earth walls 437 Ecology 302, 400 Economic forecasting 480 Economics 290, RRD 327, 424 Ecosystems 400 Edgedrains, maintenance 285 Elderly, transportation for 39, 83 Electronic bids 256 Electronic toll and traffic management systems 194 Embankments 8, 234, 496 Employees (see Personnel) Emergency management 454 Emergency management agencies 392 Emergency medical services 451 Emergency operations 468 Emergency training 468 Emulsions 30 End result specifications 38, 212 Energy - bituminous emulsions 30 - construction 85 - transportation use 43, 121 Energy development, effects on roads/bridges 468 Enforcement, speed 482 Engineering demand parameters 440 Enterprise resource planning 385 Environmental issues 272, 305, 341, 347, 363, 366, 394, 400, 411, 430, 433, RRD 365, 449 Epoxies 109, 333, 423 Equipment - accident removal 318, 451 - 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, 452 - procurement of 52 - selection of 52, 283 Erosion 496 Erosion, control 430 Evacuation 392 "Every Day Counts" 429, 466 Expansion devices for bridges 141, 319 Expert systems 183 Fabrics for pavements 171 Falling weight deflectometers (FWDs) Read the entire page →
From page 19... ... 19 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, 479 Full-scale accelerated pavement testing 433 Funding - allocation 510 - bridge management 397 - construction staffing 450 - funding 459 - small-scale projects 414 Galvanizing 112, 257 Geographic information systems 301, 335, 446 Geology 357, 360 Geometric design 417, 422, 432, 436 Geophysics 357 Geospatial technologies 446 Geotechnical - cone penetration testing 366 - data 33 - exploration 33 - in situ strength measurement 278 - information practices 429 - instrumentation 89, 253 - load and resistance factor design 276 - mechanically stabilized earth walls 437, 496 - pile driving 418 - pile foundation vibrations 253 - practices 484 - resilient modulus 382 - rock-socketed shafts 360 - site conditions 429 Geotechnical data visualization 467 Glare screen 66 Global freight villages 384 Grade crossings 250, 271 GPS - satellite positioning 258, 301 - technology 371, 385, 446 table 5 (Continued) Ground motions 428 Ground penetrating radar 255, 372, 446 Guaranteed maximum price 402 Guaranty of construction 195 Guardrails 244 Handicapped, transportation for 39, 83 Hazard mitigation 467 Hazardous materials transportation - impacts on maintenance 196 - risk assessment 103 - routing criteria 261 Heavy loads 469, 476 High-occupancy vehicles (HOV) Read the entire page →
From page 20... ... 20 - personnel 10, 344 - preventive, value of 153, 223, 342, RRD 365 - public benefits 343 - quality assurance 148, 426, 470 - records 46 - recycling 54, 193, 421 - reporting 46 - rest areas 20, 246 - road slope 430 - scheduling 170 - signs 155, 157 - snow and ice 24, 207, 344, 449 - sustainable RRD 365 - traffic control 1, 25, RRD 100, 208 - traffic signals 22, 114, 245 - traffic signs 431 - training 10, 468, 483 - tunnels 31, 415 - unpaved roads 485 - vegetation management 340 - winter 24, 207, 344, 449 - work zone 482 Main tension elements 353 Management - access 351 - bridges 397 - construction 51, 145 - contract 168 - corridor plans 289, 337 - data 55, 350, 401, 458 - federal-aid projects 414 - freeway corridor 177 - freeway incidents 156 - highway assets 494 - investment 424 - 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 - performance-based 426 - personnel 11, 120, 349 - project, systems 282 - research 113, 231 - risk, R-O-W 292 - roadway information 133, 399 - safety systems 322 - S.E.E. assessments 40 Lighting - roadway 371 Life-cycle costs 122, 269, 352, 494, 512 Lime-fly ash 37 Litter disposal 184, 394 Load posting 453 Load rating 359 Load and resistance factor design (geotechnical) Read the entire page →
From page 21... ... 21 table 5 (Continued) Multi-disciplinary teams 373 Multimodal transportation 201, 286 National Bridge Inspection Standards (NBIS) Read the entire page →
From page 22... ... 22 Project delivery 385, 402, 427, 450, 455 Project development 273, 292, 331, 361, 405 Project scheduling 6, 215, 243, 282 Public involvement 407 Public opinion data 377 Public–private partnerships 391, 494 Public Use Microdata Sample 434 Quality assurance 38, 65, 148, 212, 232, 263, RRD 274, 346, 375, 376, 492 Quality management 401 Quality control RRD 274, 346, 386, 411, 489, 495 Radio communications 12, 13, 165 Radio frequency 13 Railroad grade crossings 252, 271 Rail service 374 Rails to Trails 374 Rapid test methods 187 Reclaimed asphalt pavement 495 Reclaimed construction materials 445 Reconstruction 247, 273 Recreation travel 329 Recycling highway materials 54, 154, 160, 193, 198, 199, 421, 435, RRD 365, 445, 495 Reduced visibility 228 Reference methods 21 Reference posts 21, 91 Reflection cracking 9, 92 Regional Integrated Transportation Information System 460 Regional traffic signal operations programs 420 Regulations - driveway 304, 351 - utility location 405, 462 Rehabilitation - bridges 327, 353 - culverts 303, 474 - freeways 25 - pavements 9, 56, 92, 99, 134, 204, 222 - subgrades, stabilization 247 Relationships 297 Research - contract 231 - implementation 23, 150, 355, 461 - 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 - traffic signal operations 420 - transit 69, 73 - transportation 73, 201, 332, 434 - value engineering 352 - visualization 361 Polymers 423 Poor, transportation for 39 Portable changeable message signs 482 Portland cement concrete 435 Posting of bridges 108 Pothole repair 45, 64, 463 Pozzolans 37, 127, 199 Practical design 443 Precast concrete 53, 119, 324, 327, 441 Prefabricated structural systems 119, 327, 345 Preferential lane treatments 185 Preservation - historic bridges 275 - rail corridors 374 Prestressed concrete durability 140, 441 Prevention - roadside maintenance 363 Preventive maintenance 153, 223, 330, 411 Priority programming 48, 84, 222 Private sector involvement 149, 246, 265, 313, 355 Process management 300 Procurement policies 466 Procurement, emergency 438 Procurement, transparency 471 Professional engineering services - construction 146 - design 277 - negotiating 137 Programming 48, 72, 84, 151, 243, 414, 419 Program quality 300 Project delivery 450, 466, 473, 481, 504 - management 113 - partnerships 312 - performance measures 300 - robust programs 280 Resilience 467, 468, 472, 473 - in the face of extreme events 497 Resilient modulus (MR) 382 Resins 423 Rest areas 20, 287, 317 Resurfacing portland cement concrete 204 Retroreflectivity 304, 380, 431 Revenue forecasting 364, 479 Right-of-way - clearance 292 - highway 462 - utilities 34, 224, 405, 462 Risk assessment, hazardous materials 103 Risk-based analysis 494 Road conversion 484 Road pricing 210, 269, 377 Road safety 486 Roadside hazard severity 202 Roadway - access-controlled 493 - convertible 340 - incident diversion practices 279, 399 - information systems 133, 399 - safety tools, localities 321 Road Weather Information Systems 449 Rock-socketed shafts 360 Roundabouts 488 Routing, hazardous materials 261 Rubber tire uses 198, 199 Rumble strips 191, 339, 490 Rumble stripes 490 Rural roads 485, 486 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, 415, 417, 420, 422, 431, 432, 436, 451, 453, 458, 482, 485, 486, 488, 490, 509 Safety analysis 295, 336 Safety fence 493 Safety management systems 322 table 5 (Continued) Read the entire page →
From page 23... ... 23 Scheduling of projects 6, 222, 243, 292 Scour 5, 200, 396 Scrap tire byproducts 435 Sealers for PCC highway facilities 209 Security 392, 468 Sedimentation basins 18, 70 Segregation 477 Service life, bridges 489 Service life, culverts 474 Severity indices 202 Sidewalks - maintenance 371 Signal control 448 Signs - advance warning 186 - changeable message 61, 237, 383 - dynamic message 399 - maintenance 155, 157, 371 - median 465 - motorist information 71, 162, 392 - permanent 465 - retroreflective 431 Site-Specific Evaluations 428 Size regulation and enforcement 68, 143 Skid resistance 14, 158, 291 Slags 435 Sleep deprivation 286 Slurry 411 Small business programs 448 Smart jobsites 385 Smoothness, pavements 167 Snow and ice control 24, 207, 344, 449 Soft foundations 29, 147 Soils - erosion 18, 430 - measuring, in-situ 278, 368, 382 - remediation of contaminated 226 Specifications 38, 65, 212, 306, 441 Specifications, bridge welding 489 Spectrum management 13 Speed management - work zones 482 Speed reduction 412 Stabilization - bases 37 - earth walls 437 - road slope 430 - subbases 247 - unpaved roads 485 Staffing - construction 51, 145, 263, 450 - forecasting 450 - 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 Statistics, crash 451 Steel pipe piles 478 Stormwater management 174, 444 Stream scour 5, 200 Strategic planning 326, 363 Striping 17, 138, 218 Structures (see bridges) Read the entire page →
From page 24... ... 24 Transportation enhancement 414 Transportation improvement program 419 Travel behavior 487 Travel Demand Forecasting 364, 384, 406, 480 Travel Forecasting Models 514 Travel Information Systems 399 Travel surveys 236, 434, 514 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, 476 Tunnels, maintenance and operation 31, 415 Unbound aggregate 444 Unbound materials 456 Underwater bridge inspection 88 Underwater bridge repair 88, 200 Urban freeways 25, 273 User fees 487 Utilities 34, 115, 242, 405, 462 Utility coordination 506 Value capture 459 Value engineering 78, 352, 361, 422 Variable message signs 61, 237, 383 - red light cameras 31 - signal systems 245, 387, 403, 409, 420 - speed reduction 412 - systems development 307, 387, 403 - work zones 1, RRD 100, 208 Traffic operation 460 Traffic signals - equipment 166 - left turns 225 - maintenance 22, 114, 245, 371, 387, 403 - operations 367, 403, 420 - preemption (rail) 271 - retiming 409 - timing 172, 403 Training of personnel 10, 11, 163, 188, 248, 346, 349, 354, 355, 362, 375, 416, 468, 483 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 Transportation asset management 439 Vegetation management 363, 449 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, 431 "Vision Zero" framework 498 Visualization 229, 361, 467 Warranties - construction 195 - microsurfacing 411 - pavement markings 408 Waste materials RRD 106, 199 Waterproofing membranes for bridge decks 220, 425 Weather 47, 344, 454 Weigh-in-motion 124, 386 Weight regulation and enforcement 68, 82, 124, 143, 453, 476 Welding 489 Wetland mitigation 302 Whitetopping 338 Widening of pavements 28, 221 Wildlife 305, 370, 400 Winter maintenance 24, 207, 344, 449 Work schedules 73 Work zone traffic 1, RRD 100, 208, 482 Zone of intrusion 465 table 5 (Continued) Read the entire page →
From page 25... ... Transportation Research Board 500 Fifth Street, NW Washington, DC 20001 These digests are issued in order to increase awareness of research results emanating from projects in the Cooperative Research Programs (CRP) Read the entire page →

From page 2...

... 2Research Program -- authorized the Transportation Research Board to undertake a continuing study. This study, NCHRP Project 20-05, "Synthesis of Information Related to Highway Problems," searches out and synthesizes useful knowledge from all available sources and prepares concise, documented reports on specific topics.