
The S1-1 warns drivers of a school crossing ahead where children may be entering the roadway. Black school children crossing symbol on a fluorescent yellow-green retroreflective background. Required under MUTCD Part 7 at or in advance of designated school crossings. This is the current MUTCD replacement for the older S2-1 School Advance Crossing sign.
Three sizes are available. The 30" x 30" is for single-lane roads. The 36" x 36" is for multi-lane roads. The 48" x 48" is for expressways and enhanced conspicuity. Fluorescent yellow-green sheeting is required for all school zone warning signs per MUTCD. Commonly paired with the School Plaque (S4-3P), Ahead Plaque (W16-9P), or Diagonal Down Arrow Plaque (W16-7PL/PR). Sign post, mounting hardware, and brackets are sold separately. 48" signs ship truck freight.
Highlights
- MUTCD-compliant S1-1 school zone warning sign
- .080" (80 mil) rustproof aluminum
- 3M Diamond Grade Fluorescent Yellow Green retroreflective sheeting
- Pre-punched mounting holes for standard post installation, rounded corners
- Made in the USA
- MUTCD Code
- S1-1
- Sign Type
- School zone sign
- Shape
- Pentagon
- Background Color
- Yellow-Green
- Legend
- School children crossing symbol
- Available Sizes
- 30" x 30", 36" x 36", 48" x 48"
- Substrate
- .080" (80 mil) aluminum
- Corner Treatment
- Rounded corners
- Reflective Sheeting
- DG3 Fl. Yellow-Green
- Mounting Holes
- 30" x 30"2 holes, bottom hole 3" up from the bottom edge, 21" apart36" x 36"2 holes, bottom hole 3" up from the bottom edge, 24" apart48" x 48"Pre-punched
- Hardware
- Posts, brackets, and mounting hardware sold separately
- Made In
- USA
-
Galvanized Steel Square Sign Post
Galvanized steel -
Green Steel U-Channel Sign Post
Green painted steel -
Galvanized Steel U-Channel Sign Post
Galvanized steel
Shipping calculator
Enter your ZIP code to see the shipping price and arrival date for the size you picked.
Estimated ship date
In stock
Estimated arrival
Shipping price
Estimates for one sign, not guarantees. Your cart shows the exact price for everything you order. Shipping policy
Returns
Customers have 30 days from delivery to request a return on qualifying standard products. For full details, please review our Shipping & Returns policy.
If an item arrives damaged, defective, or incorrect, please contact us and we’ll make it right.