DART On Call Services – Grimes/NW Johnston On Call Service

Grimes/NW Johnston On Call

Service operates betweeGrimes and northwest Johnston area, including service the Walmart Park & RideThe shuttle will take you from a location close to your home or workplace to the nearest transit stop or other destinations within the service area.

Service Hours

The shuttle operates during the following times:
Weekdays -- 5:45 to 7:45 a.m. and 3:45 to 6:10 p.m. (primarily to and from the DART Park & Ride at Walmart).
Leave Grimes Walmart P&RLeave Rt. 93 Crescent ChaseLeave Rt. 93 Ingersoll & 18th
- - - -5:426:07
5:426:02 T6:28
6:527:07 T7:37
7:257:36 T8:05
T - Transfer between On Call and Express Route 93 at Crescent 
Chase. Express Route 93 schedule on the other side.


Leave Rt. 93 Ingersoll & 18thArrive Rt. 93 Crescent ChaseArrive Grimes Walmart P&R
3:444:11 T4:30
4:204:49 T5:00
4:425:13 T5:30
5:255:55 T6:10
T - Transfer between On Call and Express Route 93 at Crescent 
Chase. Express Route 93 schedule on the other side.

Trip Request

To make your reservation call DART On Call at 515-283-8136 or 515-782-5315 up to seven days in advance. Please be ready to provide DART with the following information:

  • Name
  • Phone number
  • Date of travel
  • Departure location
  • Destination location
  • Desired arrival time

If you leave a message requesting an On Call trip, a DART On Call representative will return your call as soon as possible. Service is available on a first-come, first-served basis. Same-day trips can be made, on a space-available basis, by calling 515-782-5315 at least 30 minutes in advance.

Service Flexibility 

DART’s On Call representatives will make every effort to accommodate your trip needs. During periods of high demand, your trip request may be more easily accommodated if you are willing to travel at a slightly different time or by a less-direct route to your destination.

Pick-Up Times

A DART On Call representative will review your request and schedule a pick-up time for your trip, although vehicle arrival time may vary by up to 15 minutes. Upon arrival, the driver will only wait five minutes for you to board.


To cancel or change your flex trip reservation, call 515-283-8136 or 515-782-5315 during DART service hours and at least 30 minutes prior to the scheduled pick-up, or a no-show will be recorded. More than four no-shows in a calendar month may result in a suspension of your On Call service.

Guaranteed Ride Home

In case of an emergency, DART will guarantee a ride home to individuals riding the Grimes/NW Johnston On Callbetween the hours of 8 a.m. and 3:30 p.m., Monday through Friday. To qualify for a Guaranteed Ride Home, you must be a monthly bus pass holder, Unlimited Access participant or RideShare vanpooler. For full program details, click here.


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