Construction crews are making progress and improvements at the same time along the North Metro Rail Line.

FasPhoto Friday: An image from a drone shows crews working on the overhang deck of the Denargo Bridge recently. The bridge runs parallel to Denargo Street, and over the old Union Pacific Railroad tracks and South Platte River. It's one of 10 bridges along the North Metro Rail Line.

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Throwback Thursday shows us Denver Tramway trolley number 301 on route 8 and trolley number 31 on route 64 parked at the Central Loop at 15th and Arapahoe Streets in downtown Denver. Route 8 ran from downtown to Evans and Milwaukee. Route 64 ran from downtown to 34th and Cook. The picture is from August 1949. Thanks to the Denver Public Library Western History Department for the photo.

Trick-or-Treat with Numpty at the Union Station Halloween Party on Thursday Oct 27 from 4pm - 7pm. He'll be handing out giveaways and goodies. Be safe around buses & train, and Halloween!

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FasPhoto Friday is a picture of a light rail train at the Colfax Station in Aurora during a test run on the R Line. The new light rail line is set to open later this year.

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Throwback Thursday: Denver City Tramway Company trolleys Berkeley-Elitch number 56 and number 73 carried a number of folks at 32nd Avenue and Zuni Street in Denver. This photo from the Denver Public Library Western History Department was taken between 1900 and 1905. http://bit.ly/PYVqPa

Meet Numpty from Dumb Ways to Die at the Boo at the Zoo on Saturday Oct 22 from 9 am - 5 pm. He'll be handing out giveways and coloring books. Be safe around buses & trains, and Halloween!

Make Safety Your Best Friend! https://youtu.be/7S9L_oUIk6E

FasPhoto Friday: Light rail trains have been making test runs at night along the R Line in Aurora. The trains are street-running in some locations like at South Abilene Street and East Exposition Avenue. The R Line is scheduled to open later this year, but no specific date has been set yet.

Throwback Thursday takes to around 1905 when the Cherrelyn Gravity and Broncho Street Railway was a popular way to get around south Denver. This car was on its return trip downhill from the end of the line on South Broadway in Cherrelyn Village in what is now Englewood. The horse would pull the car up the hill for a little more than a mile, and then stand on the platform on the back for the downhill trip. The photo is from the Denver Public Library's Western History Department.

If you drop something important around train tracks - remember trains are quiet & can't stop quickly. Stay off the tracks! Pledge to be safe at rtd-denver.com/safety

Crews are working hard to put the finishing touches on the new R Line through Aurora. You can see some of their work below.

FasPhoto Friday features installation of a big pipe. Crews worked to install the drainage pipe near Grange Hall in the Northglenn-112th Station area this week. This pipe is 160 feet long and has a diameter of 10 feet.

Throwback Thursday: The 16th Street Mall is a hot spot for visitors and locals today. Just like it was in the 1890s when the photo below was taken. That's 16th Street with lots of people, tramway tracks, and horses pulling buggies. The picture is from the Denver Public Library.

We will be conducting an emergency response drill on Thursday Oct 6th at the 41st & Fox Station. B Line service will not be interrupted. Learn more at http://bit.ly/2dyaOC9

Be a dear and keep the doors clear. Keeping doorways clear on trains keeps you safe, your stuff safe and is courteous to other riders. Make your safety pledge at rtd-denver.com/pledge

FasPhoto Friday is a picture of crews working on the Denargo commuter train bridge on the N Line. It's the first of 10 train bridges as you travel south to north along the N Line.