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From page 1... ... NATIONAL COOPERATIVE HIGHWAY RESEARCH PROGRAM Senior Program Officer: Christopher Hedges chedges@nas.edu January 2016 C O N T E N T S Introduction, 1 The Synthesis Project, 2 Studies in Progress and Planned for 2016, 2 Selection of Topics, 3 Available Publications, 4 Index of Topic Subjects, 4 Conduct of the Studies, 4 Research Results Digest 398 INTRODUCTION Highway administrators, engineers, and researchers often face problems for which information already exists, either in documented form or as undocumented experience and practice. This information may be fragmented, scattered, and unevaluated. Read the entire page →
From page 2... ... 2research; (4) to identify gaps in knowledge and research needs; (5) Read the entire page →
From page 3... ... 3Table 2 Synthesis Topics Selected for the FY 2015 Program No. Title No. Read the entire page →
From page 4... ... 4Please send check orders to: TRB, PO Box 741494, Atlanta, GA 30374-1494, or fax to: 202/334-2519. All reports from No. Read the entire page →
From page 5... ... 511. Development of Management Capability (1972) Read the entire page →
From page 6... ... 660. Failure and Repair of Continuously Reinforced Concrete Pavement (1979) Read the entire page →
From page 7... ... 7114. Management of Traffic Signal Maintenance (1984) Read the entire page →
From page 8... ... 8165. Transportation Telecommunications (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... ... 10 290. Procedures for Assessing Economic Development Impacts from Transportation Investments (2000) Read the entire page →
From page 11... ... 11 338. Thin and Ultra-Thin Whitetopping (2004) Read the entire page →
From page 12... ... 12 388. Pre-Overlay Treatment of Existing Pavements (2009) Read the entire page →
From page 13... ... 13 435. Recycled Materials and Byproducts in Highway Applications (2013) Read the entire page →
From page 14... ... 14 477. Methods and Practices on Reduction and Elimination of Asphalt Mix Segregation (2015) Read the entire page →
From page 15... ... 15 511 phone systems 399 Accelerated pavement testing 235, 325, 433 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 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 - mixtures 475 - moisture damage 175 - overlays 116, UR24-10 - patching 64, 463 - pavements 30, 49, 59, 104, 152, 171, 175, 180, 260, 338, 417, 421 - pre-overlay repair 388 - reclamation 421 - recycling 54, 160, 193, 421 - 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 16... ... 16 Table 5 (Continued) 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 - contract time 79, 215, 379 - delivery 372 - embankments 8 - emergency 438 - energy factors 85 - engineering 145, 146 - erosion control 18 - insurance 308 - lane occupancy 293 - management 51, 145, 413, 438 - 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, 450 - 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 Construction manager/general contractor 455 Consultants - construction engineering 146 - DOT design 277 - negotiating for services 137 Contaminated soils 226 Context-sensitive solutions 373, 400, 422, 436 Continuously reinforced pavements 16, 60, 204, 211 Contracting - alliance 466 - alternative methods 379 - alternative technical concepts 455 - best value selection 471 - bidding qualifications 190 - claims 105, 214 - Disadvantaged Business Enterprise 341, 416, 481 - indefinite delivery/indefinite quantity 473 - 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 Corrosion, bridges 398, 478 Corrosion 474 Cost-effectiveness analysis 142, 223, 396, 407, 430 Costs - cost recovery 472 - 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 Crashes, rural 451 Cross sections 299, 432 Culverts - assessment and rehabilitation 303 - durability 50, 254 - inlets 3 - performance and service life 371 - service life 474 - weight restrictions 453 Data - bridge inspection 375 - collection 124, 126, 130, 334, 335, 350, 370, 381, 401, 406, 410 - partnerships 288 - quality 401, 470 - safety 458 - sharing 288, 312, 458, 460 - storage 335 - systems 55 DBE 343, 481 D-cracking 134 Decision-making process 427 Debt financing 395 Deferred maintenance 58, 223 Deicing chemical use 24, 207, 344, 449 Demand modification 448 Design - 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 Read the entire page →
From page 17... ... 17 Table 5 (Continued) - 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 - 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 Disinvestment 480 Drainage - bridge 67 - culverts 303, 371, 474 - pavement 96, 174, 239, 449 - pipe durability 50, 254 - sedimentation basins 70 - structures 3, 174 - drilled shafts 360 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 Emergency management 454 Emergency management agencies 392 Emergency medical services 451 Emergency operations 468 Emergency training 468 Employees (see Personnel) Read the entire page →
From page 18... ... 18 Table 5 (Continued) - mechanically stabilized earth walls 437 - pile driving 418 - pile foundation vibrations 253 - 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 High-occupancy vehicles (HOV) Read the entire page →
From page 19... ... 19 Table 5 (Continued) - 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 - traffic control 1, 25, RRD 100, 208 - traffic signals 22, 114, 245 - traffic signs 431 - training 10, 468 - tunnels 31, 415 - 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 - 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. Read the entire page →
From page 20... ... 20 Table 5 (Continued) 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 - 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 21... ... 21 Table 5 (Continued) Programming 48, 72, 84, 151, 243, 414, 419 Program quality 300 Project delivery 385, 402, 427, 450, 455, 466, 473, 481 Project development 273, 292, 331, 361, 405 Project scheduling 6, 215, 243, 282 Public involvement 407 Public opinion data 377 Public–private partnerships 391 Public Use Microdata Sample 434 Quality assurance 38, 65, 148, 212, 232, 263, RRD 274, 346, 375, 376 Quality control RRD 274, 346, 386, 411 Quality management 401 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 construction materials 445 Reconstruction 247, 273 Recreation travel 329 Recycling highway materials 54, 154, 160, 193, 198, 199, 421, 435, RRD 365, 445 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 476 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) Read the entire page →
From page 22... ... 22 Table 5 (Continued) 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 23... ... 23 Table 5 (Continued) Variable message signs 61, 237, 383 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 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 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 Read the entire page →
From page 24... ... 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 1...

... NATIONAL COOPERATIVE HIGHWAY RESEARCH PROGRAM Senior Program Officer: Christopher Hedges chedges@nas.edu January 2016 C O N T E N T S Introduction, 1 The Synthesis Project, 2 Studies in Progress and Planned for 2016, 2 Selection of Topics, 3 Available Publications, 4 Index of Topic Subjects, 4 Conduct of the Studies, 4 Research Results Digest 398 INTRODUCTION Highway administrators, engineers, and researchers often face problems for which information already exists, either in documented form or as undocumented experience and practice. This information may be fragmented, scattered, and unevaluated.