This is the speed at or below which 85% of the traffic moves. The primary basis for establishing a proper, realistic speed limit is the nationally recognized method of using the 85th percentile speed. These speed limits are generally not posted on county roads.
#Mdot traffic count data code
Speed limits are established in accordance with the Michigan Vehicle Code and State Legislature.Ĭurrently, regulatory speed limits are set by state statue at a maximum 55 mph on county roads or 25 mph for business and residential districts. Thereafter, the mailbox will be removed by the Road Commission at the owner’s expense. seq.,, shall issue the owner a Removal Order, whereupon the owner will be granted 30 days to remove the unacceptable mailbox. If the owner has not removed the mailbox, the Road Commission, in accordance with relevant provisions of Michigan law, including MCL 247.171 et. Mailboxes, attachments, or support systems not consistent with the OCRC's Mailbox Installation Policy shall be deemed an unauthorized encroachment, and shall be immediately removed by the owner upon written notification by the Road Commission. Additionally, no more than four mailboxes shall be mounted on an acceptable support structure unless the support structure and mailbox arrangement have been approved by AASHTO. Newspaper boxes may be mounted below the mailbox on the side of the mailbox support. The mailbox should be attached to the support post to prevent the box from separating from the post top if a vehicle strikes the installation. Custom-made mailboxes shall meet USPS size and construction standards, and shall be approved by the USPS.
Only mailboxes that have a Postmaster General’s (PMG) seal of approval shall be placed on acceptable supports. The Road Commission may consider accepting other support post types if a breakaway design can be demonstrated or the support has been approved by AASHTO. One-inch- to two-inch-round diameter steel or aluminum pipe, or standard U-channel post embedded no more than two feet into the ground.Larger wooden posts (4" x 6" or 6" x 6") may be used only if the post is drilled through with an appropriate spade bit to create a breakaway post. 4" x 4" wooden posts embedded no more than two feet into the ground.The following types of posts are acceptable for mailbox supports: According to USPS standards, a mailbox must be installed so the bottom of the mailbox is between 41 inches and 45 inches above the road shoulder.
Greater offset distances are encouraged so the mail carrier can move out of traffic. Mailboxes should be set back at a minimum of one foot from the edge of the shoulder, regardless of whether the shoulder is gravel or paved. These standards are based on guidelines established by the American Association of State Highway and Transportation Officials. Postal Service and the following Ottawa County Road Commission standards.
The location and construction of mailboxes shall conform to the rules and regulations of the U.S.