GroningenGroningen (ˈɣroːnɪŋə(n); Grunn or Grunnen) is the capital city and main municipality of Groningen province in the Netherlands. The capital of the north, Groningen is the largest place as well as the economic and cultural centre of the northern part of the country; as of December 2021, it had 235,287 inhabitants, making it the sixth largest city/municipality in the Netherlands and the second largest outside the Randstad. Groningen was established more than 950 years ago and gained city rights in 1245.
MannheimMannheim (ˈmanhaɪm; Palatine German: Mannem or Monnem), officially the University City of Mannheim (Universitätsstadt Mannheim), is the second-largest city in the German state of Baden-Württemberg, after the state capital of Stuttgart, and Germany's 21st-largest city, with a 2021 population of 311,831 inhabitants. The city is the cultural and economic centre of the Rhine-Neckar Metropolitan Region, Germany's seventh-largest metropolitan region with nearly 2.4 million inhabitants and over 900,000 employees.
Traffic engineering (transportation)Traffic engineering is a branch of civil engineering that uses engineering techniques to achieve the safe and efficient movement of people and goods on roadways. It focuses mainly on research for safe and efficient traffic flow, such as road geometry, sidewalks and crosswalks, cycling infrastructure, traffic signs, road surface markings and traffic lights. Traffic engineering deals with the functional part of transportation system, except the infrastructures provided.
