Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W584378944', 'doi': None, 'title': 'Increase of capacity and safety of roundabouts with multiple lanes through spiral form', 'display_name': 'Increase of capacity and safety of roundabouts with multiple lanes through spiral form', 'publication_year': 2006, 'publication_date': '2006-01-01', 'ids': {'openalex': 'https://openalex.org/W584378944', 'mag': '584378944'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://trid.trb.org/view.aspx?id=787461', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306530946', 'display_name': 'Strassenverkehrstechnik', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': [], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5070015259', 'display_name': 'I.A. Hansen', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'I A Hansen', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5008533868', 'display_name': 'Lambertus G. H. Fortuijn', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'L G H Fortuijn', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, 'cited_by_count': 0, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 0, 'max': 61}, 'biblio': {'volume': None, 'issue': None, 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T13601', 'display_name': 'Planning and Modeling of Transportation Systems', 'score': 0.967, 'subfield': {'id': 'https://openalex.org/subfields/2205', 'display_name': 'Civil and Structural Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T13601', 'display_name': 'Planning and Modeling of Transportation Systems', 'score': 0.967, 'subfield': {'id': 'https://openalex.org/subfields/2205', 'display_name': 'Civil and Structural Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T13527', 'display_name': 'Development of Traffic Safety Systems and Infrastructure', 'score': 0.964, 'subfield': {'id': 'https://openalex.org/subfields/2205', 'display_name': 'Civil and Structural Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/transportation', 'display_name': 'Transportation', 'score': 0.49532}], 'concepts': [{'id': 'https://openalex.org/C174128100', 'wikidata': 'https://www.wikidata.org/wiki/Q846907', 'display_name': 'Spiral (railway)', 'level': 2, 'score': 0.45517236}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.3892964}, {'id': 'https://openalex.org/C22212356', 'wikidata': 'https://www.wikidata.org/wiki/Q775325', 'display_name': 'Transport engineering', 'level': 1, 'score': 0.37672657}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.25181407}, {'id': 'https://openalex.org/C78519656', 'wikidata': 'https://www.wikidata.org/wiki/Q101333', 'display_name': 'Mechanical engineering', 'level': 1, 'score': 0.0865148}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://trid.trb.org/view.aspx?id=787461', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306530946', 'display_name': 'Strassenverkehrstechnik', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W818993690', 'https://openalex.org/W762674501', 'https://openalex.org/W653744371', 'https://openalex.org/W637899772', 'https://openalex.org/W617904932', 'https://openalex.org/W612311609', 'https://openalex.org/W599810011', 'https://openalex.org/W576210050', 'https://openalex.org/W562420952', 'https://openalex.org/W2914570819', 'https://openalex.org/W2594009886', 'https://openalex.org/W2583390313', 'https://openalex.org/W2582908621', 'https://openalex.org/W2581547587', 'https://openalex.org/W2580554732', 'https://openalex.org/W2575204333', 'https://openalex.org/W2568170529', 'https://openalex.org/W2526488209', 'https://openalex.org/W2105072356', 'https://openalex.org/W1781569479'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W584378944', 'counts_by_year': [], 'updated_date': '2024-09-13T22:54:19.047400', 'created_date': '2016-06-24'}