CONDITIONS FOR USING WEAVING LANES AND DISTRIBUTOR ROADS AT GRADE-SEPARATED JUNCTIONS (PRELIMINARY STUDY)

EINSATZBEDINGUNGEN FUER VERFLECHTUNGSSPUREN UND FUER VERTEILERFAHRBAHNEN AN PLANFREIEN KNOTENPUNKTEN (VORSTUDIE)

THE QUESTION AS TO WHETHER AT GRADE-SEPARATED JUNCTIONS (PARTICULARLY CLOVERLEAF JUNCTIONS) ALL TURNING MANOEUVRES SHOULD BE CARRIED OUT ON A DISTRIBUTOR ROAD, OR WHETHER THE USE OF WEAVING LANES AT THE EDGE OF THE CONTINUOUS TRAFFIC LANES IS POSSIBLE, HAS BEEN ANSWERED IN RECENT YEARS MAINLY ON THE BASIS OF THE CLASSIFICATION OF ROADS. THERE ARE NO TRAFFIC ENGINEERING CRITERIA FOR ESTABLISHING THE LIMITS OF APPLICATION OF BOTH SOLUTIONS. A PRELIMARY STUDY IS TO BE CARRIED OUT TO DETERMINE: 1- THE EVALUATION CRITERIA WHICH ARE IMPORTANT FOR A COMPREHENSIVE TREATMENT OF THE PROBLEM; 2- THE METHODS BEST SUITED FOR DETERMINING THESE CRITERIA, AND 3- THE MEASURING POINTS WHICH WOULD BE SUITABLE FOR A MAIN STUDY.