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THE CAPACITY OF ROTARY INTERSECTIONS

Robert D. Ashworth, Julian Field

Open publisher page 10 citations

Abstract

THIS PAPER IS CONCERNED WITH THE CAPACITY OF ROTARY INTERSECTION SECTIONS OPERATING UNDER THE OFFSIDE PRIORITY RULE. MODELS DEVELOPED UNDER THE CONCEPT OF WEAVING ARE DISCUSSED AND IT IS SHOWN BY FIELD OBSERVATIONS THAT DESIGN PROCEDURES BASED ON WARDROP'S FORMULA ARE NO LONGER VALID. AN ALTERNATIVE DESIGN METHOD IS PROPOSED BASED ON THEORETICAL CONSIDERATIONS OF PRIORITY-TYPE OPERATION MODIFIED TO TAKE ACCOUNT OF PRACTICAL LIMITATIONS AND CALIBRATED IN ACCORDANCE WITH FIELD DATA OBTAINED FROM SIX SECTIONS AT ROUNDABOUTS IN THE SHEFFIELD CITY AREA. /TRRL/

About this research paper

What this paper is about

THIS PAPER IS CONCERNED WITH THE CAPACITY OF ROTARY INTERSECTION SECTIONS OPERATING UNDER THE OFFSIDE PRIORITY RULE. MODELS DEVELOPED UNDER THE CONCEPT OF WEAVING ARE DISCUSSED AND IT IS SHOWN BY FIELD OBSERVATIONS THAT DESIGN PROCEDURES BASED ON WARDROP'S FORMULA ARE NO LONGER VALID. AN ALTERNATIVE DESIGN METHOD IS PROPOSED BASED ON THEORETICAL CONSIDERATIONS OF PRIORITY-TYPE OPERATION MODIFIED TO TAKE ACCOUNT OF PRACTICAL LIMITATIONS AND CALIBRATED IN ACCORDANCE WITH FIELD DATA OBTAINED FROM SIX SECTIONS AT ROUNDABOUTS IN THE SHEFFIELD CITY AREA. /TRRL/

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OpenAlex reports 10 citations for this work. Citation counts describe recorded attention and do not establish research quality.

Key contribution

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Method / approach

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Available abstract

THIS PAPER IS CONCERNED WITH THE CAPACITY OF ROTARY INTERSECTION SECTIONS OPERATING UNDER THE OFFSIDE PRIORITY RULE. MODELS DEVELOPED UNDER THE CONCEPT OF WEAVING ARE DISCUSSED AND IT IS SHOWN BY FIELD OBSERVATIONS THAT DESIGN PROCEDURES BASED ON WARDROP'S FORMULA ARE NO LONGER VALID. AN ALTERNATIVE DESIGN METHOD IS PROPOSED BASED ON THEORETICAL CONSIDERATIONS OF PRIORITY-TYPE OPERATION MODIFIED TO TAKE ACCOUNT OF PRACTICAL LIMITATIONS AND CALIBRATED IN ACCORDANCE WITH FIELD DATA OBTAINED FROM SIX SECTIONS AT ROUNDABOUTS IN THE SHEFFIELD CITY AREA. /TRRL/

Key concepts: Intersection (aeronautics), Weaving, Field (mathematics), Transport engineering, Engineering, Computer science, Mathematics, Mechanical engineering

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