Second Gyeongin Expressway: Connecting Incheon and Seongnam
The Second Gyeongin Expressway (Route 110) serves as a vital transportation artery in South Korea, providing a high-speed link between the coastal city of Incheon and the urban center of Seongnam. Spanning a total length of 67.8 km, this expressway plays a crucial role in the national highway system, facilitating movement across the Gyeonggi-do and Incheon regions.
One of the most significant features of this route is its connection to the Incheon International Airport via the Incheon Grand Bridge. This massive infrastructure project links the airport area to the Hagik Junction, significantly enhancing accessibility to one of the world's busiest aviation hubs.
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Key Facts
- Route Number: 110
- Total Length: 67.8 km (including the 19.96 km Incheon Grand Bridge)
- Primary Connection: Incheon to Seongnam
- Major Terminals: Gonghang Newtown IC (West) and Seoksu IC (East)
- Speed Limits: Maximum 100 km/h; Minimum 50 km/h
Route Composition and Infrastructure
The expressway is composed of several distinct segments, varying in lane capacity to accommodate different traffic volumes. The infrastructure includes various Interchanges (IC), which allow vehicles to enter or exit the highway, and Junctions (JC), where different expressways meet.
Lane Distribution
Traffic flow is managed through a wide range of lane configurations:
- 10 Lanes: Yeongjong IC to Incheon Bridge Tollgate (TG)
- 9 Lanes: Namdong IC to Seochang JC (split between Incheon and Anyang directions)
- 6 Lanes: Various sections including Gonghang Newtown JC to Yeongjong IC and Seochang JC to Seoksu IC
- 4 Lanes: Yeonsu JC to Ongnyeon IC and Seoksu IC to Sammak IC
- 2 Lanes: Ongnyeon IC to Hagik JC
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Historical Development
The construction of the Second Gyeongin Expressway was a multi-decade endeavor. Work officially began on December 19, 1990, with the first major segment (Neunghae IC to Gwangmyeong IC) opening in July 1994. Over the following years, the network expanded through several key milestones:
- 1995: The Gwangmyeong IC to Seoksu IC segment opened.
- 1998: The Seoksu IC to Sammak IC segment was completed.
- 2009: The Incheon Grand Bridge opened, significantly altering the route's connectivity.
- 2017: The final major segment between Seoksu IC and Seongnam JC was opened to traffic.
Summary of Route Details
| Feature | Details |
|---|---|
| Total Length | 67.8 km |
| Incheon Grand Bridge Length | 19.96 km |
| West End Junction | Gonghang Newtown IC (Incheon) |
| East End Junction | Seoksu IC (Anyang) |
| Maximum Speed | 100 km/h |
Safety Incident
On December 29, 2022, a major fire occurred near Gwacheon on the expressway. The incident resulted in five fatalities and 37 injuries, highlighting the importance of road safety and emergency response on high-speed corridors.
Frequently Asked Questions
What is the main purpose of the Second Gyeongin Expressway?
It serves as a major national expressway connecting Incheon to Seongnam, providing essential access to Incheon International Airport via the Incheon Grand Bridge.
How many lanes does the expressway have?
The number of lanes varies by section, ranging from 2 lanes in the Ongnyeon IC to Hagik JC segment to as many as 10 lanes between the Yeongjong IC and the Incheon Bridge Tollgate.
What are the speed limits on this route?
The maximum speed limit is 100 km/h, while the minimum speed limit is 50 km/h.
Which major bridges are part of this expressway?
The Incheon Grand Bridge is a primary component, measuring 19.96 km in length and connecting the airport area to the main expressway network.
What is the difference between an IC and a JC?
An IC (Interchange) is a junction that allows traffic to enter or exit the expressway from local roads, while a JC (Junction) is a point where two or more expressways connect.