Project Overview

This project will install a roundabout in Billings at the intersection of Rimrock Road and 62nd Street West. Installing a roundabout also means there will be some other changes such new curbs, medians, and striping (the painted lines that help direct traffic). You can also expect to see new LED lights and different culverts along the side of the road.

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Project Basics

This project will be developed in two phases:

• "Other" (OT) Phase (Phase I) - accurately assess the need, feasibility, and fundability for conceptual intersection improvements with the implementation of a roundabout. If feasible, move to Phase II.
• "Design and R/W" Phase (Phase II) - complete detailed design and secure necessary right-of-way so that the project can ultimately be constructed.

Roundabout Specifics:

• 12-ft. lanes, 4-ft paved shoulders on non-curbed sections
• 12-ft. lanes, 2-ft shoulders on curbed sections
18-ft. paved and striped median on the north leg
• Variable width raised-median
• 8-ft. sidewalks (with 7-ft. boulevards) around roundabout only to connect ramps
• LED lighting

Purpose of the project

Roundabouts are to improve safety at intersections like this one. By design, roundabouts:

• provide good visibility to all drivers and pedestrians;
• slow traffic down to safer speeds;
• decrease the number of vehicle and pedestrian conflicts compared to other intersections; and
• significantly decrease the chance of serious crashes.

Other options like traffic signals, stop signs, or flashing lights all come with risks the roundabout helps us eliminate.

Why a Roundabout?

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Project Timeline

UPN 9383000