Urban Redevelopment Project for the Western Bypass to the Village of Vila da Ponte

Municipality of Sernancelhe

Introduction

This article presents the project for the execution of the Western Bypass to the town of Vila da Ponte – Southern Section, a strategic road infrastructure that establishes the connection between Vila da Ponte and the Northern Section (E.M. 506 – Ferreirim). The study details the creation of a new road axis and a roundabout, integrating alignment components, granite paving, drainage systems and road safety, all duly supported by topographic surveying and electrical infrastructure design.

Context and Need

The implementation of the Southern Section of the Western Bypass arises from the need to efficiently and safely connect the village of Vila da Ponte to the northern section of the bypass. One of the critical points of the project is the area near the bridge over the Taquari River, where the urgent need to organize traffic was identified.

The insertion of a roundabout in this specific location responds to the need to force a reduction in the speed of vehicles circulating on the bypass. This measure is fundamental to guarantee the safety of pedestrians and drivers, providing a safe transition point between the new road and the existing street.

Summary of the Project Completed

The technical solution developed by Envisquantis focuses on the aesthetic and functional harmony of the roadway, highlighting the following points:

• Geometry and Layout: The bypass extends for 350 meters, composed of straight alignments and a circular curve with a radius of 200 m. The longitudinal profile has slopes between 0.14% and 7.2%, rigorously adjusting to the elevations of the North Section and the existing bridge over the Taquari River.
• Transverse Profile: The bypass platform is 10.5 meters wide, integrating a 7.0-meter-wide carriageway and 3.75-meter-wide sidewalks. The southern roundabout has a centerline radius of 11.5 m and a 6.0-meter-wide carriageway, confined by concrete shoulders and walkable curbs.
• Granite Paving: Reflecting the landscape integration, the roadway is composed of 11 cm granite cubes, laid on a layer of sand and a base of crushed aggregate with extensive granulometry (0.24 m). For sidewalks, the same structure was used with 6 cm edge cubes.
• Stormwater Drainage: The system was designed for a recurrence period of T = 50 years. It includes the construction of two hydraulic passages on the bypass, concrete pipe collectors, ditches, drains with metal covers, and maintenance culverts.
• Signage and Safety:
  • Horizontal: Use of 11 cm limestone cubes to materialize the longitudinal centerline and lane separation markings, maintaining consistency with the granite pavement.
  • Vertical: Installation of small signs (L=0.70 m) suitable for secondary roads and speeds of 50 km/h, including yield signs and mandatory turning signs at roundabouts.

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