Text this: Urban school area road safety improvement and assessment with a 3D piano-keyboard-styled pedestrian crossing approach: A case study of Chiang Mai University demonstration school

  ____       ___      ____       ___     _    _   
 |  _ \\    / _ \\   |  _ \\    / _ \\  | |  | || 
 | |_| ||  | / \ ||  | |_| ||  / //\ \\ | |/\| || 
 | .  //   | \_/ ||  | .  //  |  ___  |||  /\  || 
 |_|\_\\    \___//   |_|\_\\  |_||  |_|||_// \_|| 
 `-` --`    `---`    `-` --`  `-`   `-` `-`   `-`