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Left Turn Only Signs



Left Turn Only Sign

SKU# R3-1aP

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The purpose of the Left Turn Only Sign MUTCD R3-1aP is to indicate to drivers that the lane or roadway ahead is designated for left turns only. It is used to provide clear guidance and prevent confusion or unsafe driving maneuvers at intersections and other locations where left turns are restricted.



Left Turn Only Sign Details:

  • Sign is manufactured on durable rust-proof .080" aluminum
  • Pre-punched 3/8" mounting holes in top and bottom for easy installation.
  • Meets M.U.T.C.D. specifications for highway use.

In Stock - Usually ships same or next business day.



High Intensity Prismatic Reflective on .080" Aluminum:

MATERIAL SIZE PRICE PER SIGN ADD TO CART Catalog Part #
1 to 4 5 to 9 10 +
High Intensity Prismatic
High Intensity Prismatic
18" x 24" $58.19 $55.28 $52.37
R3-1aP-1824-HIP
24" x 30" $86.90 $82.56 $78.21
R3-1aP-2430-HIP


Full Cube Prismatic Reflective on .080" Aluminum:

MATERIAL SIZE PRICE PER SIGN ADD TO CART Catalog Part #
1 to 4 5 to 9 10 +
Full Cube Prismatic
Full Cube Prismatic
18" x 24" $66.66 $63.33 $59.99
R3-1aP-1824-UPG
24" x 30" $95.70 $90.92 $86.13
R3-1aP-2430-UPG




Available Reflective Finishes:

High Intensity Prismatic Reflective Full Cube Prismatic Reflective
High Intensity Prismatic
Pick traffic sign finish
  • Most common reflective finish used for traffic signs
  • Meets federal minimum requirements
  • 10 Year Outdoor Durability
Full Cube Prismatic
Pick traffic sign finish
  • Brightest and most visible
  • Exceeds federal minimum requirements
  • 10 Year Outdoor Durability



Left Turn Only

Right Turn Only

Two-way Left Turn Only (overhead)

Two-way Left Turn Only (post-mounted)




Sign Posts

A galvanized u channel postA picture of a green u channel sign postA round post used to install signsA picture of a square post that has holes from top to bottom






Sign Installation Hardware

A picture of different hardware used for sign mountingDifferent break away hardware for safely install signs



Other Turn Prohibited Signs

No Right TurnNo Left TurnNo TurnsNo U-TurnNo U-Turn Or Left TurnNo Straight ThruNo Right TurnNo Left TurnLeft Turn OnlyRight Turn Only








Specifications:

Legend: LEFT TURN ONLY
MUTCD Sign Code #: R3-1aP
Shape: Vertical Rectangle
Color: BLACK on WHITE
Available Sizes and Weights:Size: 18" x 24"; Ship Weight: 3.7 lbs
Size: 24" x 30"; Ship Weight: 6.2 lbs
Available Styles:High Intensity Prismatic Reflective on .080" Aluminum
Full Cube Prismatic Reflective on .080" Aluminum
Full Description:

R3-1aP have a white background color. The text and border are black and it is in the shape of a vertical rectangle.

Mounting Hole Placement: Mounting Hole Diagram for Left Turn Only Sign




Example Use:

After a thrilling baseball game at the city stadium, thousands of fans are eager to head home or to the next stop in their evening. To facilitate a smooth and safe traffic flow out of the stadium's main parking lot, the city's traffic department has strategically placed a 'Left Turn Only' sign at the exit. This ensures that all vehicles departing the lot turn left onto the main roadway, preventing gridlock at the intersection and eliminating potential conflicts with incoming traffic from the opposite direction. By streamlining the movement of vehicles in this manner, fans experience a more efficient post-game drive, and local traffic disruptions are minimized.























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