Page 9 - Highway Engineering Handbook Building and Rehabilitating the Infrastructure

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6.5 Characteristics of Roadside Barriers 491
6.6 Selection of Roadside Barriers 499

6.7 Placement of Roadside Barriers 502
6.8 Upgrading Roadside Barrier Systems 506

6.9 Median Barriers 506
6.10 Placement of Barriers on Sloped Medians 515

6.11 Bridge Railings and Transitions 517
6.12 Barrier End Treatments and Crash Cushions 522

Chapter Signing and Roadway Lighting
7.

Part 1. Signing 533
Brian L. Bowman, Ph.D., P.E.
7.1 Traffic Signing Needs 533

7.2 Crashworthy Concerns of Roadside Features 539
7.3 Design of Single-Mount Sign Supports 546

7.4 Slip Base Designs 562
7.5 Design of Multiple-Mount Sign Supports 566

7.6 Maintenance and Construction of Sign Supports 574
7.7 Fastening Sign Blanks on Single–Sign-Support Systems 588

7.8 Multiple–Sign-Mount Installation 594
7.9 Fastening Sign Blanks on Multiple–Sign-Support Systems 598

7.10 Guidelines for Multiple–Sign-Support Construction 602
7.11 Sign Vandalism Problems and Countermeasures 604

7.12 Maintenance of Traffic Signs 608
7.13 References on Signing 612

Part 2. Roadway Lighting 615
C. Paul Watson, P.E., Nelson Russell, P.E., and Brian L. Bowman,
Ph.D., P.E.

7.14 Benefits and Fundamentals of Lighting 615
7.15 Facility and Area Classifications 618

7.16 Freeway Lighting Considerations 620
7.17 Streets and Highways Other Than Freeways 623

7.18 Tunnel Lighting 624
7.19 Roadway Rest Areas 626

7.20 Analytical Approach to Lighting Warrants 628