Odense Harbour to Odense Fjord was built between 1796 and 1806 to facilitate the growth of Odense as a port city, radically increasing its level of trade and population. Founded in 1796, Odense Teater is the first provincial theatre in Denmark and the country's second oldest. Odense Central Library was established in 1924 and removed to Odense station in 1995. The Odense Music Library contains Denmark's largest collection of phonograms. From the 1840s, the city enjoyed a period of rapid expansion beyond its traditional boundaries, becoming Denmark's second largest city. The city gates were demolished in 1851 and soon afterwards development
Odense which comprises the Danish Route 9. Other, smaller routes connect Odense to the rest of Funen, with direct links to all coastal towns. In 2015 plannings were established on Denmarks first Diverging diamond interchange (DDI), called "Dynamisk Ruderanlæg", upgrading the diamond interchange number 52 on Fynske Motorvej (E20), crossing the roadways of Assesvej by following the US-american design of DDIs at On 17 September 2017, the redesigned interchange opened for traffic. Computer aided simulation and land usage resulted the DDI as the adequate solution. Odense is served by Odense Airport, which operates flights to tourist resorts, mainly in the summer