Chennai Port Maduravoyal Expressway: route map, bypass link and status

People searching for a Chennai Port to Maduravoyal expressway map, or a Maduravoyal to Chennai Port expressway route map, usually want three things: where the corridor starts and ends, where they can get on and off, and which part is double-decker. The table lists the start, the ramp locations named in published reports and the western end, from the port end.

The lower deck has 13 ramps in all, seven for entry and six for exit; the published reports name ramp locations at Koyambedu, Sivananda Salai, Spur Tank Road and College Road, with dedicated exit lanes at Kamarajar Salai and Spur Tank Road. The upper deck is reserved for port traffic between Gate 10 and Maduravoyal.

Searches for a Maduravoyal to harbour flyover route map PDF usually lead to news graphics. NHAI has not released a ramp-by-ramp route map PDF that we could verify, and none is hosted here. You can view the full alignment, and check its distance from a specific plot, on the 1acre map layer.

Many people who reach this page are looking for the Maduravoyal bypass or the Maduravoyal bridge. They are different roads that meet at the same junction.

The Maduravoyal bypass road is the Chennai Bypass, a 32 km NHAI road that links Tambaram and Puzhal through Porur, Maduravoyal and Ambattur. It crosses NH-48 (the Chennai–Bengaluru highway, Poonamallee High Road) at the Maduravoyal junction. The bypass is tolled, with a toll gate at Vanagaram. For Maduravoyal bypass directions, the junction is the point where the bypass, NH-48 and the new elevated corridor meet.

The Maduravoyal bridge that people search for, also written as the Maduravoyal flyover bridge, the Maduravoyal to port bridge or the port to Maduravoyal bridge, is usually this elevated expressway. Its single-level section rises over the NH-48 median from Koyambedu and ends at the Maduravoyal junction. Searches for the Vanagaram bridge often refer to the same western stretch. The bridge is under construction and is not open to traffic.

For land near the junction, check whether a plot fronts the bypass service road, NH-48 or the elevated corridor, because access and noise differ for each.

The newest package-wise progress figures on the earlier version of this page dated from July 2025. The table below adds the updates published since then. As of October 2026, no package-wise percentage has been published after the July 2025 figures.

The latest published update, in July 2026, said precast pillars and box girders are cast at a 64-acre yard near Chembarambakkam and that girder installation, first expected by May 2026, had started after delays from the northeast monsoon. Reports in March 2026 also said the lower deck will be toll-free for local traffic, with tolls only for freight vehicles on the upper deck.

For buyers, the practical reading is that heavy construction along the Cooum and Poonamallee High Road will continue through 2027. Treat any completion date earlier than November 2027 as outdated.

This expressway runs along the Cooum River from Chennai Port to Koyambedu, then along the NH-48 median to the Maduravoyal junction. It is an elevated corridor built over existing roads and a river bank, not a greenfield land acquisition zone. The risk for buyers near the alignment is construction impact and NGT environmental restrictions, not compulsory acquisition notices.

The NGT imposed seasonal work restrictions on construction between October and December 2024, citing Cooum River environmental protection. Those restrictions are expected to apply in subsequent monsoon seasons and directly affect project timelines. Properties along the Cooum bank between Napier Bridge and Koyambedu sit inside a zone where NGT oversight has been consistently active; any land or structure adjacent to this river corridor warrants NGT compliance verification as a due-diligence item alongside standard title checks.

Three factors pushed the completion deadline beyond the original May 2026 target: the Water Resources Department's slow handover of the Cooum river boundary to NHAI, NGT seasonal restrictions, and daytime traffic police curbs on construction vehicles. An earlier estimate put completion in the first half of 2027; NHAI's current target, reported in March and July 2026, is November 2027. As of July 2025, progress across all four packages ranged from 3% to less than 10%, despite work commencing in January 2024. The latest published update, in July 2026, reported that girder installation for the first level had begun.

The table below shows the four construction packages with their confirmed costs and progress as of July 2025:

The 12.5-km double-decker section from Napier Bridge to Koyambedu will channel local traffic on the lower tier (13 ramps) and restrict the upper tier to port-bound heavy vehicles. Properties with frontage on Cooum-adjacent streets in this section face noise and access impacts through the full construction window, which now runs to November 2027. The project was first stalled in 2012 and revived only in 2022; any real estate return model built on a 2025 or 2026 completion date is already outdated.

The single-level elevated section along Poonamallee High Road (Koyambedu to Maduravoyal, reported at about 7 km) and the double-decker Cooum section create two distinct sub-markets along this corridor; treating them as one unified zone is a valuation mistake. The expressway's clearest land value signal is concentrated at the termini and the Koyambedu interchange node, not evenly spread along the Cooum-bank stretch.

The table below shows key localities along the alignment with the realistic investment signal and primary construction risk:

Maduravoyal is the most structurally sound position on this corridor. The cloverleaf interchange here already connects NH-48 to the broader Chennai bypass; the expressway adds a direct port link that completes the west-to-port logistics chain, making it the primary cargo throughput node for West Chennai. Properties near Koyambedu saw approximately 9% appreciation in the year following the 2022 project revival, but buyers entering now must price in active construction disruption through at least November 2027, the current completion target. Chetpet and Cooum-bank parcels need specific NGT compliance verification before any purchase decision, separate from the general title and approval checks that apply elsewhere in Chennai.