Lyle Signs carries standard steel U-channel posts. U-Channel Sign Supports are built for strength and reliability - hot rolled from superior rail steel. These posts are finished with bake-on green or galvanized to ASTM specification 123.

These posts are easy to install. A trained crew, even a single person, can complete an installation in just minutes. No post hole digging is required. In addition, there's no drilling necessary because these post come with 3/8" holes the length of the post on one-inch centers.

U-Channel Sign Supports are available in three common sizes to accommodate almost any sign requirement. These sizes are determined on a pounds-per-foot basis and include: 1.12 and 2.00 lbs/ft. Other weights are available as special orders.



  • Mounting holes: 3/8" on 1" centers beginning from the top of the post, running the entire length of the post.
  • Posts 10-ft or longer cannot be shipped UPS. They must be shipped motor freight or Federal Express.

U-Channel Specifications

1.12 Lb Post 2.00 LB Post 3.00 LB Post

Round Posts

Galvanized Tubular Steel Posts
  • 2-3/8" Outside diameter
  • .065" wall thickness
  • Standard Length: 8-ft or 10-ft.

Lyle Signs stocks U-Channel Posts in these standard lengths:

Lbs / Ft









Green, 1.12 lbs



Green, 2 lbs




Green, 3 lbs



Galvanized, 2 lbs



Click here to see a telespar street sign assembly sketch.