---
title: "24\" x 48\" Speed Limit School Sign with MPH"
description: "24\" x 48\" Speed Limit School Sign with MPH. Size: 24\" x 48\" Rectangle, Battery: Lithium Battery 7.4V/4400mAh."
url: "https://www.trafficthingz.com/products/speed-limit-school-sign-with-mph"
date_modified: "2026-10-09T13:08:01-07:00"
---

## 24" x 48" Speed Limit School Sign with MPH

$1,699.99 · MUTCD S5-1 · Lead time confirmed after order

### Variants & pricing

| Configuration Option | MPH Option | SKU | Price |
| --- | --- | --- | --- |
| Standard Battery & Solar Panel (Timer Included) | 15 MPH | SPDS-2448-003-15 | $1,699.99 |
| Standard Battery & Solar Panel (Timer Included) | 25 MPH | SPDS-2448-003-25 | $1,699.99 |
| Standard Battery & Solar Panel (Timer Included) | 35 MPH | SPDS-2448-003-35 | $1,699.99 |
| Standard Battery & Solar Panel (Timer Included) | Other (Enter MPH Below) | SPDS-2448-003-OTHER | $1,699.99 |

Add-on options (configured on the product page): Other.

### Key specs

| Spec | Value |
| --- | --- |
| Battery | Lithium Battery 7.4V/4400mAh |
| Working Time | After one full charge, 5-7 consecutive days |
| Working Mode | 12 Hours Per day or 24 hours per day, flashing or constant optional |
| Charging Time | 4-5 hours |
| Size | 24" x 48" Rectangle |
| LED Color | White |
| Sign Color | White and Yellow |
| MPH Available | 15mph, 25mph, 35mph |
| Battery Life | 3-5 Years |
| Operating Temp | -20°F to 150°F |
| Warranty | 3-year full |

### Documents

- [SIGN INSTALL INSTRUCTIONS](https://www.trafficthingz.com/docs/sign-install-instructions.pdf)

### Description

This sign’s bright flashing LED lights and reflective 3M material can be seen from over 2500ft and makes for a great addition for safety pertaining traffic around school zones. Made with an aluminum alloy board and solar board to MUTCD (R2-1) specifications. Solar Powered Flashing LED Reduced Speed Ahead Sign with MPH can be used to warn drivers about the safety conditions of the upcoming speed change.

*STANDARD HARDWARE: FITS 3" to 4" DIAMETER POSTS*

JUNCTION BOX (BATTERY HOUSING)

- STANDARD:5W /12V Solar Panel, 7.4V / 4400mAH Battery
- UPGRADED: 8W / 12V Solar Panel, 7.4V / 6600mAH Battery (Longer Battery Life)

MUTCD GUIDELINES:

The SPDS-2448 adheres to the MUTCD Standards found within MUTCD Guidelines Section 2A.07 for Retroreflective and Illumination

o Illumination of a sign by Light emitting diodes (LEDs)

o Sign Element to be Illuminated: (1) Symbol or word message (2) Portions of the Sign border

o LED’s are placed within 1 border unit of border and within words

o LED’s are the same color as background

o LED’s are within ¼” in width

o LED’s flashing at a rate of 50 times per minute

o Background of sign is standard 3M reflective engineering grade material

Product page: https://www.trafficthingz.com/products/speed-limit-school-sign-with-mph
Request a quote: https://www.trafficthingz.com/contact?product=speed-limit-school-sign-with-mph