Wheel chair ramp is a smooth surface plane used to pass the wheelchairs through some obstacle place or stairs. There are numerous verities of wheel chair ramps available and are to serve different purposes. You can also divide these ramps into three major categories; permanent, semi-permanent and portable. My intention is to write about the portable one so that a wheel chair user can get some guidelines while choosing a portable ramp according to his needs. There are many types of portable where chair ramps available now a days following are the four most important ramps;

1. 1. Threshold Ramps: These are the most commonly used ramps as normally the doors floor starts at the height of one or half inch as compared to the surface outside the gate so such ramps made of rubber are used to allow the wheelchair to access the door without having any trouble. Although these ramps are portable but normally these remains placed at the doors where wheel chair users have to pass through.
2. 2. Suitcase Ramps: These ramps are used to pass through the stairs or to bridge the gaps. These are designed to get folded like briefcase but provide a solid state while unfolded to use. These are portable and can be used at anywhere and then can be packed and carried like a briefcase.
3. 3. Rollup Ramps: These ramps are also used to cross the stairs or to bridge the gaps and the name itself shows that these can be rolled after use.
4. 4. Telescoping Ramps: These are the simplest type of ramps consist of a pair of ramps, where the pair can be place to bridge any obstacle to pass through via wheel chairs. These are also easy to carry and store and can be hanged with the chair.

Now the actual issue is to select the appropriate ramp suitable to the needs. Following mentioned are some of the key points which can be considered while making a decision to select a ramp.

1. Weight: It is an important factor to be considered while selecting a portable ramp, as you are selecting a portable ramp so that you can move it from here to there. The weight of a ramp is as much important as much its capability to handle the weight of scooter or wheel chair. Do evaluate both factors before buying a ramp.
2. Size: The length and width of the ramp are also main factors. You have to check that at which places you need to use this ramp and what length of ramp suits you most and how much width your scooter or wheel chair has to pass through it.
3. Budget: You also have to see the optimum option within your budget. As there are different qualities and functionalities available and you can only remain in budget while being sure about your needs. All ramps are not suitable for scooters and you could be specific to your need and you may have to buy more than one ramp to fulfill all the desires.
4. Material: It is also another consideration point as ramps comes made of different sort of materials, like aluminum, wooden or steel. You must be clear that at which places you usually need to use the ramp so that you can select the proper material.