NCHRP Report 581:

Design of Construction Work Zones on High-Speed Highways

Status: Not for Sale

Size: 77 pages, 8.5 x 11

Publication Year:2007

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Authors:
Bohdan T Kulakowski; Gerald L Ullman; Richard J Porter; Kevin M Mahoney; Douglas R Taylor; Transportation Research Board
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TRB's National Cooperative Highway Research Program (NCHRP) Report 581: Design of Construction Work Zones on High-Speed Highways explores an approach for the selection of an appropriate construction work zone type; offers suggested guidance for the design of geometric features, including ...
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Table of Contents
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Front Matter	i-xi
Preface	1-1	(skim)
1.1 Background	2-2	(skim)
1.2 Terminology	3-5	(skim)
2.1.4 Setting	6-6	(skim)
2.2.1 Safety	7-7	(skim)
2.2.4.1 Establish Reasonable Target Speeds	8-8	(skim)
2.2.6 Sight Distance	9-9	(skim)
2.2.7 Forgiving Roadside	10-10	(skim)
2.3.1 Curvature-Superelevation Relationship	11-11	(skim)
2.3.2 Superelevation Distribution	12-12	(skim)
2.3.2.2 Design Superelevation Rates Based on Method 5 Distribution	13-15	(skim)
2.3.4 Vertical Alignment Considerations	16-16	(skim)
3.1 Project-Level Work Zone Strategies	17-17	(skim)
3.1.2 Detour	18-18	(skim)
3.1.6 Lane Closure	19-19	(skim)
3.1.9 Use of Shoulder	20-20	(skim)
3.2.1.1 A+B Bidding	21-21	(skim)
3.2.1.4 Lane Rental	22-22	(skim)
3.3 Identifying and Evaluating Alternative Work Zone Strategies	23-25	(skim)
3.3.3 Capacity and Queues	26-26	(skim)
3.3.7 Summary	27-27	(skim)
4.1.2 Vertical Alignment	28-28	(skim)
4.2 Lane Constriction	29-29	(skim)
4.3 Median Crossover	30-30	(skim)
4.3.1 Temporary Roadways Connecting the Permanent Roadways	31-31	(skim)
4.3.1.3 Cross Section and Surface	32-32	(skim)
4.3.2 One-Way Roadway Used for Two-Way Traffic	33-33	(skim)
4.4.1 Cross Section and Surface	34-34	(skim)
4.5 Interchange Ramps	35-35	(skim)
4.5.1 Entrance Ramps	36-37	(skim)
4.6.2 Intersection Relocation	38-38	(skim)
4.6.3 Maintain Movements with TTC	39-39	(skim)
5.1 Introduction to Roadside Safety in Construction Work Zones	40-40	(skim)
5.2 Clear Zones	41-41	(skim)
5.3 Identification and Treatment of Construction Work Zone Hazards	42-42	(skim)
5.5 Barrier Placement Guidance for Construction Work Zones	43-43	(skim)
5.5.2 Outside Shoulder Closure on a Four-Lane Divided Highway with Minor Encroachment	44-45	(skim)
5.5.3 Median Shoulder Closure on a Four-Lane Divided Highway with Minor Encroachment	46-48	(skim)
5.5.4 Bridge Reconstruction with a Temporary Diversion/Runaround on a Two-Lane, Two-Way Highway	49-49	(skim)
5.5.5 Separation of Two-Lane, Two-Way Traffic on a Normally Divided Facility	50-51	(skim)
5.5.6 Protection of a Normally Downstream Barrier End for Two-Lane, Two-Way Traffic on a Normally Divided Facility	52-55	(skim)
5.6.1 Traffic Barriers	56-57	(skim)
5.6.5 Crash Cushions	58-58	(skim)
6.1.2 Considerations Unique to Work Zones	59-59	(skim)
6.3 Emergency Turnouts	60-60	(skim)
6.4.2 Enforcement Pullout Area Design	61-61	(skim)
6.8 Lighting	62-62	(skim)
6.9 Rumble Strips	63-63	(skim)
References	64-64	(skim)
Supplemental Materials	65-65	(skim)
Abbreviations used without definitions in TRB publications	66-66	(skim)

Description

TRB's National Cooperative Highway Research Program (NCHRP) Report 581: Design of Construction Work Zones on High-Speed Highways explores an approach for the selection of an appropriate construction work zone type; offers suggested guidance for the design of geometric features, including horizontal and vertical alignment, cross-sectional features, and barrier placement; and examines a variety of ancillary features such as drainage systems, lighting, and surface type. The contractor's final report on the research activities used to develop NCHRP Report 581 has been published as NCHRP Web-Only Document 105. As part of the research associated with this activity, a work zone prediction model and user's guide was created to help estimate free-flow vehicle speeds through two types of construction work zones on four lane freeways--single lane closures and median crossovers.

NCHRP Report 581:

Design of Construction Work Zones on High-Speed Highways

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