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nighttime stop sign reflectivity comparison

See the Difference at Night

In daylight, 3M reflective sheeting grades can look very similar. At night, the difference is dramatic. The photo compares Engineer Grade on the left, High Intensity Prismatic in the center, and Diamond Grade on the right under headlight illumination. For higher-speed roads, critical intersections, and locations where nighttime visibility matters most, Diamond Grade provides the brightest, most visible sign.

No Parking Fire Lane Double Arrow Sign (R-54)

Quantity
Price
<5
$21.43
5 - 9
$21.00 - Save 2%
10 - 29
$20.36 - Save 5%
30 - 49
$19.72 - Save 8%
50+
$19.29 - Save 10%
× No Parking Fire Lane Double Arrow Sign (R-54)

Ordering 100+? Contact us for volume pricing.

No Parking Fire Lane Double Arrow Sign marks a location where parking is prohibited and helps keep restricted curb, lane, access, or property areas clear. Choose the available configuration that fits the installation and visibility requirements.

  • .080″ 5052-H38 Alodine-treated aluminum
  • Available sizes: 12″ x 18″
  • 3M reflective sheeting: Engineer Grade, High Intensity Prismatic, and Diamond Grade DG3
  • Pre-punched 3/8″ mounting holes; larger signs use four mounting holes
  • Standard federal radius corners

The No Parking Fire Lane Double Arrow Sign marks a location where parking is prohibited and helps keep restricted curb, lane, access, or property areas clear. Standard construction includes pre-punched 3/8″ mounting holes; larger signs use four mounting holes, and standard federal radius corners.

The double-arrow layout indicates that the message applies in both directions from the sign location. The sign is produced on .080″ 5052-H38 Alodine-treated aluminum. Available sizes include 12″ x 18″. Premium 3M reflective sheeting options include Engineer Grade, High Intensity Prismatic, and Diamond Grade DG3. Choose the reflectivity level for the nighttime visibility needs, installation environment, and project or agency specification.

For public-road parking control, the MUTCD includes parking, standing, and stopping signs in Sections 2B.52 through 2B.54. Private-property requirements can differ by jurisdiction.

Before installation, confirm the required sign size, mounting location, support, orientation, and local requirements. Matching posts, brackets, and installation hardware can be selected separately.

Outsmart the Dark with 3M Diamond Grade DG3 Reflective Sheeting

Where Diamond Grade Makes the Biggest Difference
Some locations are more challenging for drivers because road conditions or layout can leave less time to react. 3M Diamond Grade DG3 is engineered to return more light from vehicle headlights back toward the driver, helping signs stand out sooner and from farther away. It’s an ideal choice for:

  • Sharp curves and blind corners

  • Hills and winding roads with limited sight distance

  • Hidden or unexpected intersections

  • Warning signs that are easy to overlook

Watch the video to see how Diamond Grade can improve sign visibility in higher-risk locations.

Video courtesy of 3M.

www.3M.com/roadsafety
©3M

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