What is the best method to make a wheelchair ramp non slip

https://www.hunker.com/13419200/what-to-use-on-a-wood-ramp-to-prevent-slipping

Here are the ADA requirements:

https://www.adawheelchairramps.com/wheelchair-ramps/ada-guidelines.aspx

Here are your non skid options!

https://www.doityourself.com/stry/keeping-a-wheelchair-ramp-safe-during-rain

http://homeguides.sfgate.com/use-wood-ramp-prevent-slipping-84416.html

https://www.handiramp.com/stairtreads/

Add sand to your paint.

The big box stores sell non slip planks, easy to install and not expensive. Usually used for ladders.

Hi, I used this stuff on my stairs as they are quite steep and wooden so potential to be slippery - sticks down really well and is sort of gritty so non-slip .... is this ramp to be used outside or inside? Failing that, maybe non slip rubber matting?

https://www.ebay.co.uk/itm/Clear-18M-Floor-Non-Slip-Stair-Treads-Safety-Tape-Adhesive-Grip-Sticker-/301891167154?hash=item464a1da3b2

https://www.ebay.co.uk/itm/RIBBED-RUBBER-MATTING-3MM-THICK-ANTI-SLIP-NON-SLIP-BLACK-VARIOUS-SHEET-SIZES/261369314008?hash=item3cdad33ad8:m:mi2mUPKGLd3BO0huWDt07NA

Amazon sells non slip tape.

By Roll of Non Slip Ramp Flooring from DIY or Specialist supplier.

Yes! Have you asked Local Authority if they can help in anyway?

Think I will use paint & sand method thanks for your help