Determination of Stopping Sight Distances |
Contents
CHAPTER 1 Introduction and Research Approach | 5 |
CHAPTER 3 Interpretation Appraisal and Application | 64 |
CHAPTER 4 Conclusions and Recommendations | 73 |
REFERENCES | 81 |
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Common terms and phrases
85th percentile speeds accident rates antilock brakes antilock braking system Appendix I pg available sight distance brake reaction braking distances braking maneuvers braking performance coefficient of friction contributing factor crest curve crest vertical curves current AASHTO data base Department of Transportation Descriptive Statistics driver eye height equivalent constant deceleration Federal Highway Administration Figure ft/sē Geometric Design grade Green Book hazard headlight sight distance horizontal curves indicated in Appendix initial speed intersection km/h large trucks length of vertical limited sight distance limited stopping sight m/sē mean speed reductions minimum stopping sight multilane object height operating speed parameters passenger cars perception-brake reaction perception-reaction recommended required stopping sight revised as indicated road safety sag vertical curves sight distance model skid number spot speed SSD model stopping distances stopping sight distance tance tangent test subjects tion tires Transportation Research Board two-lane without shoulder unexpected object vehicle heights wet pavement