Here is a basic map:

Here is the legend:
Arizona Charlie’s C1
Bally’s Las Vegas C2
Barbary Coast C3
Bellagio C4
Binion’s Horseshoe C5
Boulder Station C6
Bourbon Street C7
Caesars Palace C8
California Hotel C9
Circus Circus C10
Terriables Hotel C11
Desert Inn C13
El Cortez C14
Excalibur C15
Fiesta C16
Fitzgeralds Holiday Inn C17
Flamingo Hilton C18
Four Queens C19
Fremont C20
Gold Coast C21
Gold Spike C22
Golden Gate C23
Golden Nugget C24
Hard Rock C25
Harrah’s C26
Holiday Inn Casino Boardwalk C27
Imperial Palace C28
Union Plaza C29
Jerry’s Nugget C30
Key Largo C31
Klondike Inn C32
Lady Luck C33
Las Vegas Club C34
Las Vegas Hilton C35
Luxor C36
Mahoney’s Silver Nugget C37
Main Street Station C38
Mandalay Bay C39
Westin C40
MGM Grand C41
Mirage C42
Monte Carlo C43
Nevada Palace C44
New York – New York C45
Palace Station C46
Paris C47
Rio C48
Riviera C49
Sahara C50
Sam’s Town C51
Hooter Hotel C52
Santa Fe C53
Showboat C54
Silverton C55
Stardust C56
Stratosphere C57
Sunset Station C58
Texas Station C59
The New Frontier C60
The Orleans C61
Treasure Island C62
Tropicana C63
Vacation Village C64
Venetian C65
Westward Ho C66
Wild Wild West C67
To connect the casinos I'd like to create 4 or 5 locations on I-15 & I-95 Freeway and then 4 or 5 spots on Las Vegas Monorail.
Like the heliports on the king of the hill map or the warp gate on the space map.