Matches in SemOpenAlex for { <https://semopenalex.org/work/W2283304865> ?p ?o ?g. }
Showing items 1 to 81 of
81
with 100 items per page.
- W2283304865 abstract "FOR EFFICIENT OPERATION, DETECTOR PLACEMENT MUST TAKE INTO CONSIDERATION THE AVERAGE TIME OF THE ARRIVING VEHICLES AND THE TOLERABLE TIME SEPARATION BETWEEN VEHICLES WHICH WILL BE PERMITTED TO HOLD THE GREEN SIGNAL. THIS TIME SPACING MUST BE DETERMINED BY THE ENGINEER AND SHOULD BE BASED ON THE NATURE OF TRAFFIC FLOW AT THE PARTICULAR INTERSECTION. WITH SIMPLE FLUCTUATED EQUIPMENT THE ALLOWABLE HEADWAY TO HOLD THE GREEN IS USUALLY AT LEAST 3 SECONDS. LONGER HEADWAYS ARE SOMETIMES FOUND TO BE OPERATIONALLY MORE ACCEPTABLE. USING A 25-MPH APPROACH SPEED AND A 4-SECOND HEADWAY, ONE HUNDRED AND THIRTY FEET HAS BEEN CALCULATED AS THE DISTANCE THAT THE DETECTOR (ASSUMING IT IS A PRESENCE DEVICE BUT HAS IN ITSELF NO LONGITUDINAL DIMENSION ALONG THE ROADWAY) SHOULD BE PLACED FROM THE STOP LINE, IF THE VEHICLES ARE TO HOLD THE GREEN SIGNAL. THE LOOP-DETECTOR AND ITS USE IS DESCRIBED. TRAFFIC ENGINEER OPINION THAT DETECTOR PLACEMENT 125 FT FROM THE STOP LINE REQUIRES TOO LONG AN INITIAL PERIOD IN THE CONTROLLER SYSTEM IS DISCUSSED. THE PROBLEMS OF UNDETECTED VEHICLE APPROACH AND THE INCREASE IN REAR-END COLLISIONS ESPECIALLY AT SEMIACTUATED INTERSECTIONS ARE CONSIDERED AND REMEDIAL MEASURES ARE RECOMMENDED. IN THE DISCUSSION OF SEMIACTUATED CONTROLLERS, IT IS ASSUMED THAT IT WILL BE USED ONLY WITH COORDINATED OPERATION ON THE MAJOR OR NON-ACTUATED ROAD. THE DIFFERENCE IN DETECTOR LOCATIONS IN THE TWO DIFFERENT TYPES OF CONTROLLERS IS IMPORTANT. WITH THE FULL ACTUATED CONTROLLER, THE EMPHASIS IS ON SAFE, EFFICIENT OPERATION OF ALL VEHICLES FROM HEAVY TRAFFIC PERIODS TO THE LIGHTEST OFF-PEAK PERIODS. WITH SEMIACTUATED CONTROL EQUIPMENT, THE EMPHASIS IS ON CONTINUED MOVEMENT OF TRAFFIC ON THE MAJOR STREET WITH THE ACTUATED MINOR STREET TAKING DELAYS TO VEHICLES. DETECTOR PLACEMENT FOR THE MORE SOPHISTICATED VOLUME DENSITY CONTROLLER MAY BE AT A MUCH GREATER DISTANCE FROM THE STOP LINE. VOLUME DENSITY CONTROLLERS MAXIMIZE EFFICIENCY OF THE INTERSECTION BY MAKING BETTER USE OF THE TOTAL AVAILABLE GREEN PERIODS. MEANS ARE ALSO PROVIDED TO AVOID LONG INITIAL PERIODS WHEN ONLY A FEW CARS ARE WAITING." @default.
- W2283304865 created "2016-06-24" @default.
- W2283304865 creator A5001554521 @default.
- W2283304865 date "1973-04-01" @default.
- W2283304865 modified "2023-09-23" @default.
- W2283304865 title "DETECTOR PLACEMENT - A MISUNDERSTOOD SUBJECT" @default.
- W2283304865 hasPublicationYear "1973" @default.
- W2283304865 type Work @default.
- W2283304865 sameAs 2283304865 @default.
- W2283304865 citedByCount "1" @default.
- W2283304865 crossrefType "journal-article" @default.
- W2283304865 hasAuthorship W2283304865A5001554521 @default.
- W2283304865 hasConcept C119599485 @default.
- W2283304865 hasConcept C127413603 @default.
- W2283304865 hasConcept C154945302 @default.
- W2283304865 hasConcept C171146098 @default.
- W2283304865 hasConcept C198352243 @default.
- W2283304865 hasConcept C199360897 @default.
- W2283304865 hasConcept C203479927 @default.
- W2283304865 hasConcept C22212356 @default.
- W2283304865 hasConcept C2524010 @default.
- W2283304865 hasConcept C2775924081 @default.
- W2283304865 hasConcept C2779240695 @default.
- W2283304865 hasConcept C2779843651 @default.
- W2283304865 hasConcept C33923547 @default.
- W2283304865 hasConcept C41008148 @default.
- W2283304865 hasConcept C44154836 @default.
- W2283304865 hasConcept C47446073 @default.
- W2283304865 hasConcept C64543145 @default.
- W2283304865 hasConcept C6557445 @default.
- W2283304865 hasConcept C86803240 @default.
- W2283304865 hasConcept C94915269 @default.
- W2283304865 hasConceptScore W2283304865C119599485 @default.
- W2283304865 hasConceptScore W2283304865C127413603 @default.
- W2283304865 hasConceptScore W2283304865C154945302 @default.
- W2283304865 hasConceptScore W2283304865C171146098 @default.
- W2283304865 hasConceptScore W2283304865C198352243 @default.
- W2283304865 hasConceptScore W2283304865C199360897 @default.
- W2283304865 hasConceptScore W2283304865C203479927 @default.
- W2283304865 hasConceptScore W2283304865C22212356 @default.
- W2283304865 hasConceptScore W2283304865C2524010 @default.
- W2283304865 hasConceptScore W2283304865C2775924081 @default.
- W2283304865 hasConceptScore W2283304865C2779240695 @default.
- W2283304865 hasConceptScore W2283304865C2779843651 @default.
- W2283304865 hasConceptScore W2283304865C33923547 @default.
- W2283304865 hasConceptScore W2283304865C41008148 @default.
- W2283304865 hasConceptScore W2283304865C44154836 @default.
- W2283304865 hasConceptScore W2283304865C47446073 @default.
- W2283304865 hasConceptScore W2283304865C64543145 @default.
- W2283304865 hasConceptScore W2283304865C6557445 @default.
- W2283304865 hasConceptScore W2283304865C86803240 @default.
- W2283304865 hasConceptScore W2283304865C94915269 @default.
- W2283304865 hasIssue "7" @default.
- W2283304865 hasLocation W22833048651 @default.
- W2283304865 hasOpenAccess W2283304865 @default.
- W2283304865 hasPrimaryLocation W22833048651 @default.
- W2283304865 hasRelatedWork W116542128 @default.
- W2283304865 hasRelatedWork W1958800025 @default.
- W2283304865 hasRelatedWork W2038100386 @default.
- W2283304865 hasRelatedWork W2044215343 @default.
- W2283304865 hasRelatedWork W2045158455 @default.
- W2283304865 hasRelatedWork W2073380416 @default.
- W2283304865 hasRelatedWork W2093692826 @default.
- W2283304865 hasRelatedWork W2288237482 @default.
- W2283304865 hasRelatedWork W2351876138 @default.
- W2283304865 hasRelatedWork W26849536 @default.
- W2283304865 hasRelatedWork W570961617 @default.
- W2283304865 hasRelatedWork W584584242 @default.
- W2283304865 hasRelatedWork W615751253 @default.
- W2283304865 hasRelatedWork W625301916 @default.
- W2283304865 hasRelatedWork W648068367 @default.
- W2283304865 hasRelatedWork W72348679 @default.
- W2283304865 hasRelatedWork W749440680 @default.
- W2283304865 hasRelatedWork W759258147 @default.
- W2283304865 hasRelatedWork W80633813 @default.
- W2283304865 hasRelatedWork W2610250106 @default.
- W2283304865 hasVolume "43" @default.
- W2283304865 isParatext "false" @default.
- W2283304865 isRetracted "false" @default.
- W2283304865 magId "2283304865" @default.
- W2283304865 workType "article" @default.