RUBI Explains: What Is a Sleeper?
What is it part of, and what does it do?
A railroad tie, crosstie, railway tie or railway sleeper is a rectangular support for the rails in railroad tracks.
RUBI Explains: What Is a Sleeper?
We value your privacy
We use cookies to enhance your browsing experience, serve personalised ads or content, and analyse our traffic. By clicking "Accept All", you consent to our use of cookies.
Cookie Preferences
Necessary
These cookies are required for the website to function and cannot be disabled.
Always active
Functional
These cookies enable personalised features and functionality.
| Cookie | Duration | Description |
|---|---|---|
NID |
6 months | Google — stores preferences for reCAPTCHA and other Google services |
Analytics
These cookies help us understand how visitors interact with the website.
| Cookie | Duration | Description |
|---|---|---|
_ga |
2 years | Google Analytics — distinguishes users |
_gid |
24 hours | Google Analytics — distinguishes users |
_ga_* |
2 years | Google Analytics 4 — session tracking |
hubspotutk |
6 months | HubSpot — tracks visitor identity |
__hstc |
6 months | HubSpot — main tracking cookie |
__hssc |
Session | HubSpot — session tracking |
__hssrc |
Session | HubSpot — determines if the user has restarted browser |
apollo_uid |
1 year | Apollo.io — visitor identifier |
apollo_anonymous |
1 year | Apollo.io — anonymous visitor tracking |
Performance
These cookies help improve site performance and user experience.
Advertisement
These cookies are used to deliver relevant advertisements.
| Cookie | Duration | Description |
|---|---|---|
lidc |
1 day | LinkedIn — facilitates data center selection |
li_sugr |
3 months | LinkedIn — probabilistic matching of users |
UserMatchHistory |
1 month | LinkedIn — ad conversion tracking |
AnalyticsSyncHistory |
1 month | LinkedIn — analytics sync |
bcookie |
2 years | LinkedIn — browser identifier |
bscookie |
2 years | LinkedIn — secure browser identifier |
Sign in to continue
Sign in to save and favourite content, or create a free account — it only takes a moment.
Don't have an account? Create a free account →