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From page 1... ... Research Results Digest 392 January 2015 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... ... 2Table 1 TOPICS BeINg STudIed No. Title No. Read the entire page →
From page 3... ... 3Table 3 NCHRP SYNTHeSIS OVeRSIgHT PANeL SP20-05 Chairman Brian A Blanchard, Florida department of Transportation Stuart d. 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... ... 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... ... 9241. Truck Operating Characteristics (1997) Read the entire page →
From page 10... ... 10 265. Managing Product Liability to Achieve Highway Innovations (1998) Read the entire page →
From page 11... ... 11 313. State dOT Outsourcing and Private-Sector utilization (2003) Read the entire page →
From page 12... ... 12 364. estimating Toll Road demand and Revenue (2006) Read the entire page →
From page 13... ... 13 413. Techniques for effective Highway Construction Projects in Congested urban Areas (2011) Read the entire page →
From page 14... ... 14 456. Non-Nuclear Methods for Compaction Control of unbound Materials (2014) Read the entire page →
From page 15... ... 15 - below-water maintenance 200 - below-water repair 88, 200 - box beam 393 - cathodic protection 398 - concrete decks 4, 57, 86, 209, 220, 333, 423, 425 - construction 44, 53, 324, 345 - corrosion protection 257, 398 - deck joints 141, 319 - deck removal 169 - decks 441 - deck sealers 209, 423 - 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, 418 - galvanizing 112, 257 - high performance concrete specifications 441 - historic 101, 275, 327 - increasing live loads, existing 249 - inspection 88, 118, 353, 354, 375, 393, 398 - inspection standards 397 - load posting 453 - local interest 327 - maintenance 227, 257, 327, 353, 354, 393, 423 - management systems 227, 397 - membranes 220 - off-system 327 - overweight vehicles 359 - paint removal 176, 251 - painting 136 - patching 45 - pile driving 418 - polymer overlays 423 - posting practices 108 - precast concrete 53, 119, 324, 393 - prefabricated 53, 119 - prestressed, durability 140 - rating practices 359 - rehabilitation 327, 333 - repair 398 - scour 5, 200 - scour critical 396 - seismic design 428, 440 - steel 345 - structural components RRd 274 - substructure repair 88, 200 - waterproofing 425 - wheel load distribution 111 - visualization 361 Bus transit planning 69 Bypasses, impacts of RRd 210 Byproducts 435 Cable-stayed bridges 353 Capital programming 243 CAPS (Conservation Assessment and Prioritization System) 400 Cathodic protection 399 Census Transportation Planning Products 434 Changeable message signs 61, 237, 383 Chip seals 342 Climate change 454 Coal combustion byproducts 435 Collisions, animal–vehicle 400 Commercial vehicle 386 Communications 7, 12, 13, 71, 165, 296 Commercial Vehicle Information Systems and Networks (CVISN) Read the entire page →
From page 16... ... 16 Contaminated soils 226 Context-sensitive solutions 373, 400, 422, 436 Continuously reinforced pavements 16, 60, 204, 211 Contracting - Alternative methods 379 - Alternative technical concepts 455 - bidding qualifications 190 - claims 105, 214 - disadvantaged Business enterprise 341, 416 - 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, 430 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 Crashes, rural 451 Cross sections 299, 432 Culverts - assessment and rehabilitation 303 - durability 50, 254 - inlets 3 - performance and service life 371 - weight restrictions 453 data - bridge inspection 375 - collection 124, 126, 130, 334, 335, 350, 370, 381, 401, 406, 410 - quality 401 - partnerships 288 - safety 458 - sharing 288, 312, 458, 460 - storage 335 - systems 55 dBe 343 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 - 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 solutions 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 direction finding 71 disadvantaged Business enterprise 343, 416 disadvantaged, transportation for 39 drainage - bridge 67 - culverts 303, 371 - 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 dynamic Message Signs 399 earthquakes 428, 440 earth walls 437 ecology 302, 400 ecosystems 400 economics 290, RRd 327, 424 edgedrains, maintenance 285 elderly, transportation for 39, 83 electronic bids 256 electronic toll and traffic management systems 194 embankments 8, 234 employees (see Personnel) emergency management 454 emergency management agencies 392 emergency medical services 451 emulsions 30 end result specifications 38, 212 energy - bituminous emulsions 30 - construction 85 - transportation use 43, 121 enterprise resource planning 385 engineering demand parameters 440 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, control 430 evacuation 392 "every day Counts" 429 expansion devices for bridges 141, 319 expert systems 183 Table 5 (Continued) Read the entire page →
From page 17... ... 17 Fabrics for pavements 171 Falling weight deflectometers (FWds) 381, 382 Federal-aid projects 414, 416, 442 Field testing equipment 36, 126 Fires 415 Finance/budgets 62, 72, 80, 100, 117, 151, 243, 364, 366, 395, 452 Fleet management 452 Fly ash 37, 127, 333 Fog 228 Foundation engineering 418 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 Full-scale accelerated pavement testing 433 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 - pile driving 418 - pile foundation vibrations 253 - resilient modulus 382 - rock-socketed shafts 360 - site conditions 429 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 Hazardous materials transportation - impacts on maintenance 196 - risk assessment 103 - routing criteria 261 High-occupancy vehicles (HOV) Read the entire page →
From page 18... ... 18 Levels of service 426 Light detection and ranging (LIdAR) 446 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) Read the entire page →
From page 19... ... 19 National Research Implementation Network 461 Native American transportation 366 Needs studies 72, 151 NePA (National environmental Policy Act) 400 New-product evaluation 90, 150, 265 Non-Coal Combustion Byproducts 435 Nondestructive testing/evaluation 354, 382 Non-nuclear methods/devices 456 Noise barriers 87, 181 Noise characteristics of pavements 268 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 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 - 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 20... ... 20 Poor, transportation for 39 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, emergency 438 Professional engineering services - construction 146 - design 277 - negotiating 137 Programming 48, 72, 84, 151, 243, 414, 419 Program quality 300 Project delivery 450 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 Public use Microdata Sample 434 Quality assurance 38, 65, 148, 212, 232, 263, RRd 274, 346, 375, 376 Quality management 401 Quality control RRd 274, 346, 386, 411 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 Rehabilitation - bridges 327, 353 - culverts 303 - 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 Resilient modulus (MR) 382 Resins 423 Rest areas 20, 287, 317 Resurfacing portland cement concrete 204 Retroreflectivity 304, 380, 431 Revenue forecasting 364 Right-of-way - clearance 292 - highway 462 - utilities 34, 224, 405, 462 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 Road Weather Information Systems 449 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, 415, 417, 420, 422, 431, 432, 436, 451, 453, 458 Safety analysis 295, 336 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 Sedimentation basins 18, 70 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 Table 5 (Continued) Read the entire page →
From page 21... ... 21 Soft foundations 29, 147 Soils - erosion 18, 430 - measuring, in-situ 278, 368, 382 - remediation of contaminated 226 Specifications 38, 65, 212, 306, 441 Spectrum management 13 Speed reduction 412 Stabilization - bases 37 - earth walls 437 - subbases 247 - road slope 430 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 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 22... ... 22 unbound aggregate 444 unbound materials 456 underwater bridge inspection 88 underwater bridge repair 88, 200 urban freeways 25, 273 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 Vibration of concrete 44 Video monitoring - web-based 372 Video traffic law enforcement 219 Visibility 228, 348, 431 Visualization 229, 361 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 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 Zone of intrusion 465 Table 5 (Continued) Read the entire page →
From page 23... ... 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...

... Research Results Digest 392 January 2015 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.