Underground Parking Between Two Stripes Vertical and Close to the Wall

Good concept
Del

(I always carry a rolled up parking space in the back of the car, in case I can't find one ;) )

You go in nose-first rather than reversing in for a quick escape ? I'm impressed by your courtesy for impatient drivers, but *%^*-em. Maybe this is why Boudicca had those nasty blade things on her chariot wheels ?

Joking aside, it seems fairly sensible to continue the 'slot markings' up the wall butaren't you a bit committed when you can see them ?. I can't park to save my life, and I always stop to ask directions if lost (honest, I do !). Still, I also paint a dot on the rear window so I can safely reverse around corners. This method fails rather badly if it's not a nice circular arc .

Good idea....how about a hump to let you know you are out of the path of traffic and keep the car from rolling into traffic in case the parking brake should be forgotten ? How about sensors in the parking spots to let people entering the garage know where and if, there are parking spots available ?

those additionall lines wont do much to prevent you from caving in someones door or fender, you still have tp pay attion to everything on either side of you

Depends on what car you have nowadays....

https://en.wikipedia.org/wiki/Intelligent_Parking_Assist_System

Yeah, but it's funny to park so that the person in the adjacent car hasn't quite got enough room to open the driver door . Animal toys are good - the ones that give a squeek when chewed - just afix several around the car, and hey presto you have a cheap alarm system. I'm a bit cheap, so I just duct tape the animal itself direct to the car. Cats are very effective .

Sounds like a very good idea. Ignore all the detractors!

I'd been wondering what to call that system of furry critters on the side of a car. They sort of make a 'yep' noise when out of alignment. Cat-eyes on the road have long since puzzled me, So cute, yet so useful. None of this works with squirrels, though I may be biased

Why underground only? And you are assuming that each parking space has a wall, which is not true in many cases, especially underground facilities..

Why not just bolt one of these

on the hood of your ride, looking down at the floor, then you can hit the center of the stall every time.

You could just mount cameras in the front and rear, and have a switched display in the rearview mirror....you can even get em with night vision...

Mount em on the sides...

You can even go wireless....

The painted lines on the wall is a good idea. Having little magnifying mirrors on my side view mirrors helps.

As a Structural Engineer who has design a lot of aboveground and underground parking garages, you're novel idea has merit only if there are concrete walls at the end of the parking spaces. In many cases, this is not the case, because of cost considerations, nor are they needed from a structural standpoint. For underground parking garages, nearly all of the walls are found along the garage perimeter, with exceptions of course.

It would be much better to install vandal-proof flexible (vinyl?) reflectorized uprights at the end of the parking spaces inline with the parking space lines. They could be bolted down into the concrete topping with specially-keyed bolt heads. If you strike them with your vehicle they won't break...

Maybe I should patent this idea!!!!!!!!

"If you strike them with your vehicle they won't break..."Well, not really. We have some of these upright plastic reflectors in "my" garages, but they don't last very long.
Two or three encounters with a tire and they're dead.

Lots of good ideas here.

My garage at home requires careful positioning of the vehicle to maintain adequate access around the vehicle.

I don't have lines painted on the floor but I do have 300x300 ceramic tiles laid on the floor which provide an excellent grid for lining up.

I manage to get the car backed in and straight and in the right place by looking at where my rear tyre is rolling in relation to the grid on the floor using the drivers' side wing mirror that came with the car. Opening the window and sticking one's head out to actually look at the wheels as I park seems to work ok too.

Has the OP tried opening the window and just looking?

Driver's here are pretty shocking on the road but they are excellent car parkers on the whole. Narrow urban environment and all. The driving license test focuses on parking ability, road rule knowledge is not examined. Go figure.

Just as a PS, when the garage is used as a workshop, the tiled grid on the garage floor is also excellent for lining up materials for marking out and welding or other assembly works nice and square and parallel as required. Makes an excellent surface for marking out patterns with a marker and what not and is easy to clean. Nothing to do with parking but thought I'd share that with anyone contemplating new flooring in their garage/workshop/man-cave.

Sounds like a good idea!

The external mirror on my car are electronically adjustable from the arm rest so I just adjust the mirror to point down at the ground. Then I can see the line. The passengers mirror is not so good as it is convex. Also, I reverse in and this makes it easier to follow the line.

Correction: Bad --- two vertical strips pasted on the wall in a direct line to each of the two painted stripes?

Should have said: two vertical stripes painted on the wall. Not strips of plastic, but painted stripes. Should not have got into a plastic strip idea.

What type of paint is used for painting house address numbers on the curb in front of resident?

Knowledge of organic chemistry is essential. Chemical ring structure, bonding one element with another, etc. Aliphatic, aldehydes, ketones, on and on. An actual drawing of the ring structures involved.