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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... ... 3Selection of Topics NCHRP Synthesis Oversight Panel 20-05 meets each year to select topics for study using funds from the upcoming fiscal year. The membership of this committee is given in Table 3. Read the entire page →
From page 4... ... 4• The topic is appropriate if current practice is nonuniform or inconsistent from agency to agency, or if the validity of some practices appears to be questionable. • The quality and quantity of useful available information should indicate a need to organize and compress that which has already been learned and written on the topic. Read the entire page →
From page 5... ... 5 10. Recruiting, Training, and Retaining Maintenance and Equipment Personnel (1972) Read the entire page →
From page 6... ... 6 57. Durability of Concrete Bridge Decks (1979) Read the entire page →
From page 7... ... 7110. Maintenance Management Systems (1984) Read the entire page →
From page 8... ... 8161. Computer-Aided Design and Drafting Systems (1990) Read the entire page →
From page 9... ... 9210. Road Pricing for Congestion Management: A Survey of International Practice (1994) Read the entire page →
From page 10... ... 10 257. Maintenance Issues and Alternate Corrosion Protection Methods for Exposed Bridge Steel (1998) Read the entire page →
From page 11... ... 11 301. Collecting, Processing, and Integrating GPS Data into GIS (2002) Read the entire page →
From page 12... ... 12 351. Access Rights (2005) Read the entire page →
From page 13... ... 13 398. Cathodic Protection for Life Extension of Existing Reinforced Concrete Bridge Elements (2009) Read the entire page →
From page 14... ... 14 459. Using the Economic Value Created by Transportation to Fund Transportation (2014) Read the entire page →
From page 15... ... 15 495. Use of Reclaimed Asphalt Pavement and Recycled Asphalt Shingles in Asphalt Mixtures (2016) Read the entire page →
From page 16... ... 16 Table 5 INDEX TO SYNTHESES AND STUDIES (2016) Blue numbers are live links to those reports. Read the entire page →
From page 17... ... 17 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 - 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 - 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, 441 - consultants 146 - contract claims 105, 214 - contracting 468, 471, 473, 481 Table 5 (Continued) Read the entire page →
From page 18... ... 18 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 Design-Build 376, 379, 390, 391, 402, 429, 455, 481 Direction finding 71 Disadvantaged Business Enterprise 343, 416, 481 Disadvantaged, transportation for 39 Disaster planning 467 Disaster relief 472 Table 5 (Continued) Blue numbers are live links to those reports. Read the entire page →
From page 19... ... 19 Funding - bridge management 397 - construction staffing 450 - small-scale projects 414 - funding 459 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 - 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 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 Table 5 (Continued) High-occupancy vehicles (HOV) Read the entire page →
From page 20... ... 20 - training 10, 468, 483 - tunnels 31, 415 - vegetation management 340 - winter 24, 207, 344, 449 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 - snow and ice control operations 207, 344 - traffic signals 403, 409, 420 - traffic sign retroreflectivity 431 - training 11, 188, 349 - vehicle 452 Manual on Uniform Traffic Control Devices 356, 380, 383, 412, 431, 432 Manufacturing and construction byproducts 435 Materials - acceptance 263 - assurances, structural RRD 274 - certification 102, 263 - microsurfacing 411 - pavement marking 306 - reclaimed asphalt pavement 421 - testing equipment 36, 263 - bridges 88, 123, 200, 227, 257, 319, 353, 375, 398, 423, 425, 469 - budgets 80 - cable barriers 493 - concrete pavements 19, 45, 56, 60, 98, 204, 211, 388 - contract 125 - contracting, performance-based 389, 426 - costs 58, 98, 223 - culverts 303, 474 - deferred 58, 223 - edgedrains 285 - emergency 438, 454 - equipment 52, 283 - freeways 1, 25, 170 - funding 470 - hazardous materials impacts 196 - invasive species 363 - litter disposal 184, 394 - management 10, 22, 46, 52, 58, 80, 110, 157, 173, 283, 426 - management systems 110, 173, 470 - paved roads 485 - pavement costs 77, 98 - pavement joints 19, 56, 98, 134, 211 - pavements 9, 19, 25, 30, 45, 56, 60, 64, 98, 134, 388, RRD 365, 469 - 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 - unpaved roads 485 - work zone 482 - traffic control 1, 25, RRD 100, 208 - traffic signals 22, 114, 245 - traffic signs 431 Table 5 (Continued) Read the entire page →
From page 21... ... 21 Table 5 (Continued) Noise, rumble strips 490 Noise barriers 87, 181 Noise characteristics of pavements 268 Non-nuclear methods/devices 456 NPDES 444 Nuclear density gauge 456 Off-ramps 35 Older drivers 348 Open-graded surfaces 49, 104, 180, 284 Outsourcing 246, 313 Overhead 315 Overlays 9, 49, 92, 99, 104, 116, 144, 204, 338, 464 Overload effects 131 Overweight vehicles 359, 476 Owner Controlled Insurance Programs 308 Painting steel bridges 136 Paint removal 176, 251 Park-and-ride facilities 213 Parking demands, truck 317 Partnerships - data collection 350 - research 312, 461 - public–private 391 - public and private 313, 362 Patching 9, 45, 64, 463 Pavements - aggregate 445 - asphalt 30, 49, 59, 116, 152, 160, 171, 175, 180, 260, 284, 457, 475 - bases 37 - concrete 16, 19, 27, 44, 56, 60, 99, 144, 204, 211, 457 - condition data 76, 126, 203, 330, 334 - construction 16, 19, 27, 30, 44, 211 - CRCP 16, 60 - data collection 401 - design 189, 260, 291, 382, 457 - distress 9, 334 - drainage 96, 239 - durability 59, 160, 274 - effects of overloads 131 - evaluation 76, 126, 203 - fabrics 171 - fatigue 492 - flexible 492 - friction 14, 158, 291 - friction courses 49, 104, 180, 284 - frost design 26 - joints 19, 56, 98, 134, 211 - life-cycle costs 122, 269 - light duty 260 - low-volume 27, 260 - maintenance 9, 19, 25, 30, 45, 56, 60, 64, 98, 134, 211, 223, 342, 388, 411, 463, 464 - maintenance costs 77, 98, 223 - management 135, 222, 335, 401 - management systems 433 - markings 17, 138, UR24-07, 306, 356, 371, 380, 408, 412 - moisture damage 175 - noise characteristics 268 - overlays 9, 92, 99, 116, 144, 204, 388 - patching 9, 45, 64, 463 - performance 457 - pre-overlay treatments 388 - recycling 54, 154, 160, 193, 421 - rehabilitation 9, 25, 92, 134, 222, 335, 338, 342, 388, 417 - reclamation 421 - rut resistant (asphalt) Read the entire page →
From page 22... ... 22 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 - weight 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 - management 113 - partnerships 312 - performance measures 300 - robust programs 280 Resilience 467, 468, 472, 473 Resilient modulus (MR) 382 Resins 423 Rest areas 20, 287, 317 Resurfacing portland cement concrete 204 Retroreflectivity 304, 380, 431 Revenue forecasting 364, 479 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 Public involvement 407 Project delivery 385, 402, 427, 450, 455 Project development 273, 292, 331, 361, 405 Project scheduling 6, 215, 243, 282 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 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 - information systems 133, 399 - incident diversion practices 279, 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 Safety analysis 295, 336 Safety fence 493 Safety management systems 322 Scheduling of projects 6, 222, 243, 292 Scour 5, 200, 396 Scrap tire byproducts 435 Sealers for PCC highway facilities 209 Security 392, 468 Segregation 477 Sedimentation basins 18, 70 Service life, bridges 489 Service life, culverts 474 Severity indices 202 Table 5 (Continued) Read the entire page →
From page 23... ... 23 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 Travel surveys 236, 434 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 Value capture 459 Value engineering 78, 352, 361, 422 Variable message signs 61, 237, 383 Vegetation management 363, 449 Vehicle attenuators 182 Vehicles, larger 281 Vibration from piles 253 - 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 Transportation enhancement 414 Transportation improvement program 419 Travel behavior 487 Travel Demand Forecasting 364, 384, 406, 480 Travel Information Systems 399 Vibration of concrete 44 Video monitoring - web-based 372 Video traffic law enforcement 219 Visibility 228, 348, 431 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.